Can Tho to Siem Reap: A Detailed Road Trip Guide

Stretching 720 kilometers from the Mekong Delta to the ancient temples of Angkor, the Can Tho–Siem Reap road trip crosses two countries and two time zones. The journey follows National Route 91 from Can Tho to the Tinh Bien–Phnom Dien border crossing, then continues along National Road 2 and 6 through Phnom Penh and on to Siem Reap. With driving times varying by border procedures and road conditions, the trip typically takes 12 to 14 hours of pure driving, but most travelers allocate two days to break it up.

Fuel stops are frequent along major highways in both Vietnam and Cambodia, though diesel is cheaper in Vietnam and petrol rates in Cambodia are comparable. You'll cross the border at the Tinh Bien (Vietnam) / Phnom Dien (Cambodia) checkpoint, open from 7 a.m. to 6 p.m. Remember that each country has its own driving side: Vietnam drives on the right, Cambodia also on the right (except in French-built areas like central Phnom Penh where left-hand driving persists).

Road quality varies: Vietnam's QL91 is well-paved, Cambodia's National Road 2 is good asphalt but National Road 6 has recently been widened with smooth surfaces, though some sections near Siem Reap are under construction. Toll fees apply on some Vietnamese expressway sections, and Cambodian roads are generally toll-free except for the new Phnom Penh–Siem Reap expressway.

For detailed planning on the best stops and hidden gems, see how to find the best stops and hidden gems between cities.

• Carry both Vietnamese dong and Cambodian riel for tolls and border fees.
• Get an e-visa for Cambodia before departure to save border time.
• Purchase third-party car insurance valid in Cambodia.
• Drive cautiously through Phnom Penh's rush hours (7-9 a.m., 4-6 p.m.).

Plan rest breaks every two hours; key rest zones include the Neak Loeung ferry (replaced by a bridge in 2015) and the Kampong Thom area, which has several coffee shops. For families, both countries are generally welcoming, but note that car seats are rare, so bring your own if needed.

Pet-friendly conditions are limited: while roadside restaurants may tolerate dogs on outdoor patios, hotels often have restrictions, and veterinary care is scarce in rural areas. It's best to arrange pet-friendly accommodation in advance.

When choosing places to linger, prioritize well-lit, busy areas. The roads between Can Tho and Siem Reap are generally safe, but exercise caution at night due to unlighted vehicles and occasional livestock crossings.

The best stops between Can Tho and Siem Reap include the floating market of Cai Rang (early morning), the capital's Royal Palace in Phnom Penh, and the Battambang bamboo train if you have a flexible schedule. To answer is it worth driving Can Tho to Siem Reap: yes, for adventurous travelers who enjoy flexibility, but if you're only heading to Angkor, flights from Can Tho to Siem Reap via Ho Chi Minh City may save time. For those who ask how long to drive Can Tho to Siem Reap, the answer is 12-14 hours of driving, not including stops.

The route transitions from the rice paddies and palm-lined canals of the Mekong Delta to the flat, agricultural plains of Cambodia, where you'll spot sugar palm trees and seasonal fields of lotus flowers. The Tonle Sap lake, which you skirt near Siem Reap, is Southeast Asia's largest freshwater lake and dramatically expands its surface area during the wet season.

UNESCO World Heritage Sites near this route are Angkor Archaeological Park in Siem Reap and the Temple of Preah Vihear, though the latter is a detour. For a quieter ruin, consider the temple complex of Banteay Chhmar, off the planned path.

In both countries, roadside stalls sell fresh fruit, noodles, and local coffee. Vietnamese food is known for pho and banh mi, while Cambodian cuisine features fish amok and kuy teav. You'll find better restrooms at larger gas stations.