Flight Time from Hongseong to Sejong
The flight from Hongseong to Sejong covers about 35 mi and takes roughly 34 min nonstop. Flight duration estimate and fare guide.
34 min
Nonstop flight
35 mi
Straight-line
45 mi
By road
34 min
Flight time
Hongseong and Sejong are about 35 mi (56 km) apart in a straight line. By road that works out to roughly 45 mi (73 km), a drive of about 1 hr 2 min. A nonstop flight covers the great-circle distance in approximately 34 min.
| Straight-line distance | 35 mi / 56 km |
| Road distance (est.) | 45 mi / 73 km |
| Driving time (est.) | 1 hr 2 min |
| Nonstop flight (est.) | 34 min |
| Driving fuel (est., 1-way) | $6 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 36.597, 126.979 |
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
Hongseong to Sejong is about 35 mi (56 km) in a straight line, and roughly 45 mi (73 km) by road.