San Luis to Tafí Viejo is about 545 road miles (877 km): roughly 10 h 27 min at the wheel if you don't stop.
Full advisory: Argentina. Advisory issued: Argentina July 10, 2026; checked October 10, 2026.
On the roads, the State Department says:
- Argentina: “Drivers should prepare in advance when taking long road trips and make sure to have adequate insurance coverage.”
| Distance | 545 mi (877 km) |
|---|---|
| Time at the wheel, no stops | 10 h 27 min |
| Main roads, in order | RN146 → RN20 → RN79 → RP25 → RN60 → RP33 → RN38 → RN1V38 → RN9 |
| Provinces on the route | San Luis, La Rioja, Catamarca, Tucumán |
| Fuel estimate (car at 25 mpg) | about 21.8 gal; actual use varies by vehicle and traffic |
| Stops listed below | 4 |
The San Luis–Tafí Viejo drive in a few lines
RN79 (220 mi) and RN38 (94 mi) carry about 58% of the 545 miles. It runs through 4 provinces: San Luis, La Rioja, Catamarca, Tucumán. None of the 4 stops below is right on the road, so plan each as a short side trip.
Which roads connect San Luis and Tafí Viejo
| Road | Route miles (from–to) | Length, mi | Province |
|---|---|---|---|
| local roads | 0–2 | 2 | San Luis |
| RN146 | 2–76 | 74 | San Luis |
| RN20 | 76–88 | 12 | San Luis |
| RN79 | 88–235 | 147 | San Luis, La Rioja |
| connecting roads | 235–236 | 1 | La Rioja |
| RP25 | 236–241 | 5 | La Rioja |
| RN79 | 241–314 | 73 | La Rioja, Catamarca |
| RN60 | 314–346 | 32 | Catamarca |
| connecting roads | 346–347 | 1 | Catamarca |
| RP33 | 347–398 | 51 | Catamarca |
| RN38 | 398–470 | 72 | Catamarca, Tucumán |
| RN1V38 | 470–514 | 44 | Tucumán |
| RN38 | 514–536 | 22 | Tucumán |
| RN9 | 536–541 | 5 | Tucumán |
| local roads | 541–545 | 4 | Tucumán |
- Mile 114 of this route: San Luis → La Rioja (province line)
- Mile 301 of this route: La Rioja → Catamarca (province line)
- Mile 440 of this route: Catamarca → Tucumán (province line)
Places worth a stop between San Luis and Tafí Viejo
- Nature and outdoors: Reserva Quebrada de las Higueritas (mile 74)
- Museums and history: Basílica de Nuestra Señora del Rosario (mile 533)
Reserva Quebrada de las Higueritas
Quebrada de las Higueritas is a protected area near the town of Luján, in the Ayacucho department of San Luis Province.
Quebrada de los Cóndores
In La Rioja province, Quebrada de los Cóndores has been protected since 2005 as the Sierra de Los Quinteros ecological reserve.
Basílica de Nuestra Señora del Rosario
Known locally as Santo Domingo church, this Tucumán basilica began construction in 1863 and again in 1883, after Dominicans were brought from Lules to meet the city's need for priests.
Teatro San Martín
San Miguel de Tucumán's Teatro San Martín opened in 1912 as the Teatro Odeón, closed in 1951 and reopened under its current name in 1959.
More drives to Tafí Viejo
- La Rioja to Tafí Viejo
- Córdoba, Argentina to Tafí Viejo
- Resistencia to Tafí Viejo
- Río Cuarto to Tafí Viejo
- Corrientes to Tafí Viejo
- Santa Fe to Tafí Viejo
From San Luis to other places in Argentina
- San Luis to Villa Carlos Paz
- San Luis to Capilla del Monte
- San Luis to Luján
- San Luis to Adrogué
- San Luis to Berisso
- San Luis to Magdalena
Frequently asked questions
How long is the drive from San Luis to Tafí Viejo?
About 10 h 27 min of driving without stops, over 545 miles.
What is the driving distance from San Luis to Tafí Viejo?
About 545 miles (877 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.
Is it safe to drive from San Luis to Tafí Viejo?
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 San Luis to Tafí Viejo use?
In order: RN146, RN20, RN79, RP25, RN60, RP33, RN38, RN1V38 and RN9. The road-by-road table above shows the route miles for each one.
What are good stops between San Luis and Tafí Viejo?
Closest to the road: Reserva Quebrada de las Higueritas (park, mile 74, 3 mi from the route); Basílica de Nuestra Señora del Rosario (basilica, mile 533, 2 mi from the route); Teatro San Martín (theater, mile 534, 2 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.