Flight Time from Gimpo to Seongnam-si
The flight from Gimpo to Seongnam-si covers about 26 mi and takes roughly 33 min nonstop. Flight duration estimate and fare guide.
33 min
Nonstop flight
26 mi
Straight-line
37 mi
By road
33 min
Flight time
Gimpo and Seongnam-si are about 26 mi (42 km) apart in a straight line. By road that works out to roughly 37 mi (59 km), a drive of about 51 min. A nonstop flight covers the great-circle distance in approximately 33 min.
| Straight-line distance | 26 mi / 42 km |
| Road distance (est.) | 37 mi / 59 km |
| Driving time (est.) | 51 min |
| Nonstop flight (est.) | 33 min |
| Driving fuel (est., 1-way) | $5 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 37.527, 126.927 |
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
Gimpo to Seongnam-si is about 26 mi (42 km) in a straight line, and roughly 37 mi (59 km) by road.