Ho Chi Minh City, Vietnam → Siem Reap, Cambodia · ✈ 1h 1min · 🚗 6h 43min
223 nautical miles · Time difference: Same timezone · Direction: northwest
The distance from Ho Chi Minh City to Siem Reap is 413 km (257 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h 1min.
The straight-line distance from Ho Chi Minh City, Vietnam to Siem Reap, Cambodia is approximately 413 kilometers (257 miles or 223 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Siem Reap is located northwest of Ho Chi Minh City. Ho Chi Minh City is in Asia, in the Southeast region of Vietnam, while Siem Reap is in Asia, in Siem Reap, Cambodia. Both cities are in Asia.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 413 km | ~1h 1min | Quick but may not save time with airport procedures |
| 🚗 Drive | ~537 km | ~6h 43min | Feasible with breaks |
| 🚂 Regular Train | ~496 km | ~4h 8min | Budget-friendly option |
Our recommendation: flight is typically the best way to travel from Ho Chi Minh City to Siem Reap. At this distance, driving gives you the most flexibility and avoids airport overhead.
Based on an estimated road distance of 537 km, fuel costs for driving from Ho Chi Minh City to Siem Reap are approximately $43–$81 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
Ho Chi Minh City sits at 10.8231°N, 106.6297°E, while Siem Reap is located at 13.3633°N, 103.8564°E. The initial compass bearing from Ho Chi Minh City to Siem Reap is 313° (NW), so a great-circle flight path leaves Ho Chi Minh City heading roughly NW. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 2.54° and the longitude difference is 2.77°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Ho Chi Minh City and Siem Reap is approximately 12.0966°N, 105.2496°E. This is the great-circle halfway position — the spot where you would be exactly 207 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Ho Chi Minh City and Siem Reap share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Ho Chi Minh City is a major city in Vietnam with a population of approximately 8,993,082. Located in the Southeast region, it is an important hub in Asia. As one of the largest cities in Vietnam, Ho Chi Minh City is a major international gateway with extensive air connections and multiple airports.
→ See all distances from Ho Chi Minh City
Siem Reap is a notable city in Cambodia with a population of approximately 245,494. Situated in the Siem Reap region, it serves as a key destination in Asia. Siem Reap is a popular destination in the Siem Reap region of Cambodia, known for its unique character and attractions.
413 km is a medium-distance route, similar to traveling across a mid-sized European country. A flight covers this distance quickly, but driving or rail travel remains feasible for those who prefer ground transport. For reference, New York to Chicago is about 1,150 km.
At 413 km, the Ho Chi Minh City-Siem Reap route is about 1.0% of Earth's circumference. A commercial jet covers this distance in about 1h 1min.
The straight-line distance from Ho Chi Minh City to Siem Reap is approximately 413 kilometers (257 miles, 223 nautical miles).
A direct flight takes approximately 1h 1min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 6h 43min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Siem Reap is approximately Same timezone compared to Ho Chi Minh City.
The estimated road distance is approximately 537 km, which is about 30% longer than the 413 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 21, 2026.