Estimated travel durations
The straight-line distance from Seoul to Tokyo is 1,149 kilometers (714 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Seoul to Tokyo takes approximately 3h. This is an estimate based on an average cruising speed of 800 km/h and does not include boarding, taxiing or layover time.
Driving from Seoul to Tokyo would take approximately 12h at an average speed of 85 km/h. The actual driving time may vary depending on road conditions, traffic and border crossings.
The distance from Seoul to Tokyo is 714 miles (1,149 km) as the crow flies.