Flight Time from Phnom Penh to Ubon Ratchathani
The flight from Phnom Penh to Ubon Ratchathani covers about 254 mi and takes roughly 58 min nonstop. Flight duration estimate and fare guide.
Phnom Penh and Ubon Ratchathani are about 254 mi (409 km) apart in a straight line. By road that works out to roughly 310 mi (499 km), a drive of about 5 hr 32 min. A nonstop flight covers the great-circle distance in approximately 58 min.
| Straight-line distance | 254 mi / 409 km |
| Road distance (est.) | 310 mi / 499 km |
| Driving time (est.) | 5 hr 32 min |
| Nonstop flight (est.) | 58 min |
| Driving fuel (est., 1-way) | $39 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 13.400, 104.883 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Phnom Penh to Ubon Ratchathani is about 254 mi (409 km) in a straight line, and roughly 310 mi (499 km) by road.