Flight Time from Seongnam-si to Suwon
The flight from Seongnam-si to Suwon covers about 12 mi and takes roughly 31 min nonstop. Flight duration estimate and fare guide.
31 min
Nonstop flight
12 mi
Straight-line
17 mi
By road
31 min
Flight time
Seongnam-si and Suwon are about 12 mi (20 km) apart in a straight line. By road that works out to roughly 17 mi (28 km), a drive of about 42 min. A nonstop flight covers the great-circle distance in approximately 31 min.
| Straight-line distance | 12 mi / 20 km |
| Road distance (est.) | 17 mi / 28 km |
| Driving time (est.) | 42 min |
| Nonstop flight (est.) | 31 min |
| Driving fuel (est., 1-way) | $2 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 37.365, 127.073 |
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
Seongnam-si to Suwon is about 12 mi (20 km) in a straight line, and roughly 17 mi (28 km) by road.