Quy Nhon to Kampong Thom: Ultimate Road Trip Guide

Leaving Quy Nhon, your odometer sets to zero on the 19A highway, a road that climbs from sea level into the misty passes of the Central Highlands within 90 minutes. This route to Kampong Thom (via National Road 80 and then Cambodian National Road 6) is roughly 800 kilometers, but the real metric is time: expect 14-16 hours behind the wheel, excluding border crossing and rest stops.

The initial 40 kilometers track the South China Sea before turning inland at Phu My, where the landscape morphs into the distinctive red basalt soils of Gia Lai province. This area's volcanic legacy predates human settlement and explains the fertile farmland you'll traverse for the next 200 kilometers.

From the An Khe Pass (elevation 700m) onward, the panoramas alternate between pine-forested slopes and river valleys that feed the Mekong system. The Vietnam-Cambodia border at Le Thanh-O Yaw is your midway point, after which the terrain flattens into the expansive rice paddies typical of central Cambodia. This is a journey through two climate zones and a millennium of shared history—the Angkorian empire once extended over these very highlands.

Infrastructure safety is generally adequate, but be aware of shared roads with motorbikes and trucks. Since Cambodia, seatbelt laws are enforced. To manage fatigue, schedule a break every 2 hours; possible rest zones include Bien Hoa (225 km), Kratie (420 km), and Kampong Cham (600 km). These towns have well-lit gas stations and clean restrooms.

For family suitability: many resorts along the Vietnamese coast and in Pleiku offer playgrounds and swimming pools; the Sokimex gas stations in Cambodia have family restrooms. Pet travel is manageable but requires your own bowl and water, and border crossing can be tricky—always carry an updated vaccination card and check specific entry requirements for pets with the Cambodian embassy. For meal planning, vegetarian options are available mainly in cities; grilled meats and noodle soups dominate.

To discover more hidden gems along this route, check out how to find the best stops and hidden gems between cities.

Finally, is it worth driving Quy Nhon to Kampong Thom? Given the scenic highlands and the cultural payoff of Sambor Prei Kuk, the answer is a qualified yes, provided you plan for a minimum of two driving days.

Paved roads cover the entire route, but surface quality varies. Vietnamese sections on QL19 are well-maintained with limited potholes, while Cambodia's NR6 is undergoing upgrades—expect rough patches between Skun and Kampong Thom.

• Fuel costs are lower in Vietnam (~23,00 VND/liter) than in Cambodia (~4,500 KHR/liter), so top up before crossing.
• Border formalities take 30-60 minutes; carry vehicle registration and international driving permits.
• Mobile data fallback: purchase a local SIM at the border for Cambodian maps.

The route's only major city is Pleiku (45,000 inhabitants), 180 km from Quy Nhon. This is your best bet for mechanical emergencies and international ATMs. For quick meals, consider the lunch stops at Cheo Reo and Kratie, both with adequate parking.

Driving at night is not recommended due to unlit stretches and unpredictable animal crossings, especially between Buon Ma Thuot and the border.

Within 300 km of Kampong Thom you'll find the UNESCO World Heritage Site of Sambor Prei Kuk, a pre-Angkorian temple complex dating from the 7th century. Unlike the crowded Angkor Wat, this site offers serene, leafy surroundings and is a stop that genuinely enriches your understanding of Khmer architecture.

The highlands' cool climate (15-25°C) provides a refreshing contrast to the coastal heat of Quy Nhon and the humid plains of Cambodia.

Local commerce thrives along the roadside: Vietnamese coffee stalls sell robusta beans for 15,000 VND per cup, while Cambodian fruit stands offer freshly picked durian during summer months. For unique handicrafts, the Cham villages near Phu My produce brocade textiles, a tradition thousands of years old.

Hidden off-route spots include the Ya Ly Waterfall (14 km off QL19) and the Kon Ka Kinh National Park, which harbors the endangered gray-shanked douc langur.