Siem Reap, Cambodia → Ho Chi Minh City, Vietnam · ✈ 1h 1min · 🚗 6h 43min
223 nautical miles · Time difference: Same timezone · Direction: southeast
The distance from Siem Reap to Ho Chi Minh City 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 Siem Reap, Cambodia to Ho Chi Minh City, Vietnam 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.
Ho Chi Minh City is located southeast of Siem Reap. Siem Reap is in Asia, in the Siem Reap region of Cambodia, while Ho Chi Minh City is in Asia, in Southeast, Vietnam. 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 Siem Reap to Ho Chi Minh City. 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 Siem Reap to Ho Chi Minh City 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.
Siem Reap sits at 13.3633°N, 103.8564°E, while Ho Chi Minh City is located at 10.8231°N, 106.6297°E. The initial compass bearing from Siem Reap to Ho Chi Minh City is 133° (SE), so a great-circle flight path leaves Siem Reap heading roughly SE. 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 Siem Reap and Ho Chi Minh City 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.
Siem Reap and Ho Chi Minh City 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.
Siem Reap is a major city in Cambodia with a population of approximately 245,494. Located in the Siem Reap region, it is an important hub in Asia. Despite its smaller size, Siem Reap plays an important regional role in Cambodia and attracts visitors year-round.
Ho Chi Minh City is a notable city in Vietnam with a population of approximately 8,993,082. Situated in the Southeast region, it serves as a key destination in Asia. Ho Chi Minh City is one of Vietnam's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
→ See all distances from Ho Chi Minh City
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 Siem Reap-Ho Chi Minh City route is about 1.0% of Earth's circumference. A commercial jet covers this distance in about 1h 1min.
The straight-line distance from Siem Reap to Ho Chi Minh City 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.
Ho Chi Minh City is approximately Same timezone compared to Siem Reap.
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.