Flight Time from Sangju to Sejong
The flight from Sangju to Sejong covers about 50 mi and takes roughly 35 min nonstop. Flight duration estimate and fare guide.
35 min
Nonstop flight
50 mi
Straight-line
65 mi
By road
35 min
Flight time
Sangju and Sejong are about 50 mi (80 km) apart in a straight line. By road that works out to roughly 65 mi (104 km), a drive of about 1 hr 29 min. A nonstop flight covers the great-circle distance in approximately 35 min.
| Straight-line distance | 50 mi / 80 km |
| Road distance (est.) | 65 mi / 104 km |
| Driving time (est.) | 1 hr 29 min |
| Nonstop flight (est.) | 35 min |
| Driving fuel (est., 1-way) | $8 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 36.505, 127.727 |
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
Sangju to Sejong is about 50 mi (80 km) in a straight line, and roughly 65 mi (104 km) by road.