Phnom Penh to Kon Tum: Road Trip Guide

Crossing from Cambodia's lowlands into Vietnam's Central Highlands, this route traverses the border at Trapeang Kriel (Cambodia) / Bo Y (Vietnam), a crossing open from 6 AM to 10 PM. The drive covers roughly 445 kilometers via National Road 1 (Cambodia) and QL14 (Vietnam), but expect to spend 8–10 hours behind the wheel including border formalities.

Most travelers break the journey in Pleiku, the largest city en route, which sits about halfway and offers the best accommodation options. Alternatively, you can push through in one long day if you start early, but the mountainous terrain after the border rewards a more relaxed pace.

After leaving the flat Mekong Delta, the road climbs into the Annamite Range, with the landscape shifting from rice paddies to rubber plantations and then to pine forests as you approach Kon Tum. The lush greenery is a stark contrast to Cambodia's dry season, and you'll notice the air getting cooler and fresher.

En route, consider a detour to Ban Lung (Ratanakiri) if you have spare time, but for this route, the main attraction is the Dak Bla River viewpoint near Kon Tum, where you can see the river winding through the valley. The Central Highlands are home to many ethnic minority villages; one of the most accessible is the Kon Kotu village, known for its traditional wood carvings.

Local commerce thrives in the roadside markets, where you can sample fresh dragon fruit, passionfruit, and Robusta coffee, which is the region's cash crop. Be cautious with street food, but don't miss the chance to try pho, a Vietnamese noodle soup, in Kon Tum's town center.

Both countries drive on the right, and the border crossing at Bo Y is less hectic than Moc Bai, but you'll still need to allot 30–60 minutes for passport control. Vietnam requires a visa for many nationalities; check with your embassy beforehand. Cambodia offers e-visas, but the land crossing is straightforward with a passport stamp.

• Fuel stations are sparse after Bavet, so fill up in Phnom Penh and again in Pleiku.
• Road tolls in Vietnam apply only if you use the expressway near Pleiku; the QL14 is free but slower.
• Cash is king for tolls and border fees; have US dollars and Vietnamese dong ready.
• Mobile data coverage is good on both sides, but Wi-Fi tends to be spotty in rural stretches.

The highways are generally well-maintained, but you'll encounter heavy traffic and frequent speed cameras in Cambodia. After the border, the road narrows and becomes winding; watch for trucks and motorbikes. Vietnam's QL14 is a two-lane road with occasional potholes, so keep your speed moderate.

For families, the main considerations are restroom breaks and mealtimes. There are few rest stops until Pleiku, so plan to stop at the border area or in Bavet. The drive can be tiring, so alternate drivers if possible. The total trip can be done in one day, but many travelers prefer to overnight in Pleiku to break the monotony.

If you need to stop for a break, look for the “Spring” rest area about 20 km before Pleiku, which has clean restrooms and a small diner. For a longer repose, Pleiku's Biển Hồ (Sea Lake) offers a scenic picnic spot.

When planning your stops, consider using this guide on how to find the best stops and hidden gems between cities, but remember to stay flexible.