Flight Time from Asan to Cheongju-si
The flight from Asan to Cheongju-si covers about 29 mi and takes roughly 33 min nonstop. Flight duration estimate and fare guide.
33 min
Nonstop flight
29 mi
Straight-line
40 mi
By road
33 min
Flight time
Asan and Cheongju-si are about 29 mi (46 km) apart in a straight line. By road that works out to roughly 40 mi (65 km), a drive of about 55 min. A nonstop flight covers the great-circle distance in approximately 33 min.
| Straight-line distance | 29 mi / 46 km |
| Road distance (est.) | 40 mi / 65 km |
| Driving time (est.) | 55 min |
| Nonstop flight (est.) | 33 min |
| Driving fuel (est., 1-way) | $5 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 36.711, 127.247 |
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
Asan to Cheongju-si is about 29 mi (46 km) in a straight line, and roughly 40 mi (65 km) by road.