Osaka, Japan → Seoul, South Korea
448 nautical miles · Direction: northwest
The straight-line distance from Osaka to Seoul is 829 km (515 miles). Seoul lies roughly west-northwest of Osaka; the initial great-circle bearing is 295° (WNW). It is an international route from Japan to South Korea.
Osaka (Kansai, Japan) sits at 34.6937°N, 135.5023°E; Seoul (Capital Area, South Korea) is at 37.5665°N, 126.9780°E. The initial great-circle bearing is 295° (WNW); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~1h 32min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | No estimate | No road connection |
There is no continuous road connection between Osaka and Seoul — the two cities sit on separate landmasses, so the journey requires air or sea transport.
The geographic halfway point of the great-circle path between Osaka and Seoul lies at approximately 36.2057°N, 131.3183°E — the position that is an equal 415 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Osaka (Asia/Tokyo) and Seoul (Asia/Seoul) use different time-zone IDs but keep the same clock time all year under current rules.
Osaka uses the Japanese Yen (JPY), while Seoul uses the South Korean Won (KRW). The primary language changes from Japanese in Osaka to Korean in Seoul.
All routes in Japan · All routes in South Korea
All distances from Osaka · All distances from Seoul
The straight-line distance from Osaka to Seoul is approximately 829 km (515 miles, 448 nautical miles).
Seoul lies roughly west-northwest of Osaka; the initial great-circle bearing is 295° (WNW).
Estimated flight time is about 1h 32min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.
There is no continuous road connection between Osaka and Seoul — the two cities sit on separate landmasses, so the journey requires air or sea transport.
Osaka (Asia/Tokyo) and Seoul (Asia/Seoul) use different time-zone IDs but keep the same clock time all year under current rules.
Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances