By road, La Plata and Mercedes, Argentina are about 456 miles (734 km) apart, or roughly 8 h 26 min of driving.
Full advisory: Argentina. Advisory issued: Argentina July 10, 2026; checked October 10, 2026.
On the roads, the State Department says:
- Argentina: “Drivers in Argentina tend to be aggressive, especially in Buenos Aires, and often ignore traffic regulations.”
| Total distance | 456 mi (734 km) |
|---|---|
| Time at the wheel, no stops | 8 h 26 min |
| Main roads, in order | RN1 → AV1-N → RN9 → RP6 → RN12 → RN14 → RN119 |
| Provinces on the route | Buenos Aires, Ciudad de Buenos Aires, Entre Ríos, Corrientes |
| Fuel estimate (car at 25 mpg) | about 18.2 gal; actual use varies by vehicle and traffic |
| Stops listed below | 8 |
Driving La Plata to Mercedes: the shape of the trip
RN14 (252 mi) and RN119 (66 mi) carry about 70% of the 456 miles. It runs through 4 provinces: Buenos Aires, Ciudad de Buenos Aires, Entre Ríos, Corrientes. Of the 8 stops listed below, 5 are within a mile of the road.
Roads you'll take from La Plata to Mercedes
| Road | Route miles (from–to) | Length, mi | Province |
|---|---|---|---|
| local roads | 0–3 | 3 | Buenos Aires |
| RN1 | 3–33 | 30 | Buenos Aires, Ciudad de Buenos Aires |
| local roads | 33–37 | 4 | Ciudad de Buenos Aires |
| AV1-N | 37–42 | 5 | Ciudad de Buenos Aires |
| connecting roads | 42–45 | 3 | Ciudad de Buenos Aires |
| RN9 | 45–84 | 39 | Buenos Aires |
| connecting roads | 84–85 | 1 | Buenos Aires |
| RP6 | 85–89 | 4 | Buenos Aires |
| RN12 | 89–136 | 47 | Buenos Aires, Entre Ríos |
| RN14 | 136–388 | 252 | Entre Ríos, Corrientes |
| RN119 | 388–454 | 66 | Corrientes |
| local roads | 454–456 | 2 | Corrientes |
- Mile 29 of this route: Buenos Aires → Ciudad de Buenos Aires (province line)
- Mile 45 of this route: Ciudad de Buenos Aires → Buenos Aires (province line)
- Mile 107 of this route: Buenos Aires → Entre Ríos (province line)
- Mile 350 of this route: Entre Ríos → Corrientes (province line)
What to see on the way from La Plata to Mercedes
- Right off the route (under 1 mile): Juan B. Ambrosetti Museum of Ethnography (mile 34), Errázuriz Palace (mile 38), Evita Museum (mile 39), Japanese Garden, Belén de Escobar (mile 68), El Palmar National Park (mile 259)
- Nature and outdoors: Parque Natural Municipal Ribera Norte (mile 48), Japanese Garden, Belén de Escobar (mile 68), El Palmar National Park (mile 259)
- Museums and history: Juan B. Ambrosetti Museum of Ethnography (mile 34), Errázuriz Palace (mile 38), Evita Museum (mile 39), Museo Casa de Rogelio Yrurtia (mile 42), San Isidro Cathedral (mile 48)
Juan B. Ambrosetti Museum of Ethnography
Overseen by the University of Buenos Aires Faculty of Philosophy and Letters, the Juan B. Ambrosetti Museum of Ethnography is an ethnography museum in Buenos Aires.
Errázuriz Palace
Once one of the most elegant private homes in Buenos Aires, Errázuriz Palace (Palacio Errázuriz) has housed the National Museum of Decorative Art since 1937.
Evita Museum
In Palermo, Buenos Aires, at 2988 Lafinur Street, the Evita Museum covers the life and legacy of Eva Duarte de Perón and her work through the Eva Perón Foundation.
Museo Casa de Rogelio Yrurtia
Sculptor Rogelio Yrurtia once lived in this house in the Belgrano district of Buenos Aires, which now operates as a museum dedicated to him.
Parque Natural Municipal Ribera Norte
On the Río de la Plata shore in Acassuso, San Isidro, Ribera Norte is a municipal nature park protecting green space within greater Buenos Aires.
San Isidro Cathedral
Main church of the Diocese of San Isidro, this cathedral stands on Del Libertador Avenue opposite Plaza Mitre, in the historic quarter of San Isidro in Buenos Aires province.
Japanese Garden, Belén de Escobar
Landscape engineer Yasuo Inomata designed this Japanese garden in Belén de Escobar in 1969, and the local Japanese community donated it to the city. Red, white and spotted koi swim in its 1,000-square-meter pond.
El Palmar National Park
Set off National Route 14 in Entre Ríos, between Colón and Concordia, El Palmar National Park protects groves of yatay palms along with gallery forest, savanna and grassland.
More drives to Mercedes
- Buenos Aires to Mercedes, Argentina
- Berisso to Mercedes, Argentina
- Chascomús to Mercedes, Argentina
- Formosa, Argentina to Mercedes, Argentina
- Resistencia to Mercedes, Argentina
- Córdoba, Argentina to Mercedes, Argentina
From La Plata to other places in Argentina
- La Plata to Tigre
- La Plata to Luján
- La Plata to San Antonio de Areco
- La Plata to Arrecifes
- La Plata to Pergamino
- La Plata to Martínez
Continue Your Adventure
Frequently asked questions
How long is the drive from La Plata to Mercedes, Argentina?
About 8 h 26 min of driving without stops, over 456 miles.
What is the driving distance from La Plata to Mercedes, Argentina?
About 456 miles (734 km) on the Wayro route. Other map services may show a few miles more or less, depending on where they start and end in each city.
What does the U.S. travel advisory say about the La Plata to Mercedes drive?
The U.S. State Department rates Argentina Level 1: Exercise Normal Precautions. Read the full advisory before you go.
What roads does the drive from La Plata to Mercedes use?
In order: RN1, AV1-N, RN9, RP6, RN12, RN14 and RN119. The road-by-road table above shows the route miles for each one.
What are good stops between La Plata and Mercedes?
Closest to the road: Juan B. Ambrosetti Museum of Ethnography (ethnographic museum, mile 34, 0.4 mi from the route); Japanese Garden, Belén de Escobar (japanese garden, mile 68, 0.2 mi from the route); El Palmar National Park (national park of Argentina, mile 259, 0.1 mi from the route). All stops are described above.
How we put this guide together
Wayro calculates the route from OpenStreetMap road data; mile numbers are positions along this route, not highway markers, and "from the route" distances are straight-line, so the real detour depends on access roads. Stops are chosen from parks, natural sites, museums, historic sites and attractions close to the route: at least one strong stop for each stretch of the drive, then the best-known places nearest the road, up to nine in all. Places that are closed, private or not open to visitors are removed. Place descriptions are written by the Wayro team from official park, museum, tourism and government websites and other published sources. Safety levels and entry rules were checked against the U.S. Department of State on October 10, 2026. Conditions change, so check the linked sources before you travel.
Route data © OpenStreetMap contributors.