How to Drive from Long Xuyen to Sisophon: A Route Guide

The drive from Long Xuyen, Vietnam's An Giang province capital, to Sisophon, a town in northwestern Cambodia, crosses a border at Tinh Bien and heads through Phnom Dien. The route toward Sisophon is a mix of national highways and local roads, with the final stretch along National Road 6, a key artery linking Phnom Penh to Banteay Meanchey. You will cross the Mekong Delta's flat farmland, pass through the Elephant Mountains, and then continue across Cambodia's plains.

The most direct path uses Vietnam's QL91 north from Long Xuyen to Tinh Bien, then Cambodia's National Road 2 to Phnom Penh, and finally National Road 5 and 6 to Sisophon. The total distance is roughly 350 km, but expect a 6-8 hour drive due to border formalities, towns, and road conditions.

• Fuel stations are common in Vietnamese cities but sparse in rural Cambodia; since fuel in Cambodia can be cheaper, top up before the border.
• Border crossing: Tinh Bien (Vietnam) to Phnom Den (Cambodia) is open daily, but you'll need a vehicle permit if your rental car crosses; check with your rental company.
• Currency: Use Vietnamese dong in An Giang, but after crossing, Cambodian riel is main, with US dollars widely accepted.
• E-toll collection is not used on this route; most roads are untolled, but some bridges in Cambodia may have small fees.

Leaving Long Xuyen, the road winds through the flat Mekong Delta, with rice paddies and aquaculture ponds stretching to the horizon. At the border, the landscape shifts to the rugged Elephant Mountains, a limestone range that offers viewpoints and a cooler climate. The transition is striking: from warm, humid rice fields to cooler, forested ridges.

In Cambodia, the route continues through Kampong Speu and Pursat, where you'll see sugar palm trees and floating villages along the Tonle Sap's edge. For a detour, consider the how to find the best stops and hidden gems between cities method suggested by Wayro's blog.

Local commerce along the way is vibrant: roadside fruit stalls selling fresh mangosteen (in season), and in Phnom Den, you can buy traditional Cambodian scarves (krama) at the market.

Road quality varies: Vietnamese roads are generally well-paved, but Cambodian national roads are often patched and broken, though they are improving. Expect potholes and heavy truck traffic on NR5. Drive defensively, especially at night, as lighting is limited outside cities.

For families, the route offers kid-friendly stops like the Phnom Dien viewpoint (a short walk from the border) and the Tonle Sap floating villages, where a boat ride is a great break. Bring snacks and water, as many restaurants along the route are basic.

Pets are allowed at most guesthouses, but you must provide your own carriers and food. Be aware that leaving a pet in a car is risky due to heat.

Fatigue management is crucial: plan breaks every 2 hours. Recommended rest zones are the town of Chau Doc (near the border) and Pursat, which have adequate services. Also, consider a longer lunch stop at Phnom Penh's outskirts to avoid city traffic.