43 routes across 6 cities — domestic & international
By SnapDistance Team · Updated May 11, 2026
6 Cities
9 Domestic Routes
34 International
24,061,497 Total Population
Quick Answer: Japan Distances
Japan has 6 major cities in our database. The shortest domestic route is Kyoto → Osaka at just 43 km, while the longest is Sapporo → Osaka at 1,059 km. There are 34 international connections to 4 continents.
About Japan: Geography & Size
Japan is home to 6 major cities tracked by SnapDistance, with a combined urban population of over 24,061,497. The largest city is Tokyo with approximately 13,960,000 residents, followed by Osaka (2,753,862).
With a maximum domestic distance of 1,059 km, Japan offers a mix of short drives and medium-haul flights between cities.
The average distance between cities in Japan is 494 km. For comparison, the global average between major cities is roughly 3,000 km, making Japan more compact than average.
Transport in Japan
Japan has excellent high-speed rail infrastructure, making trains competitive with flights for distances under 800 km. For longer domestic routes, flying is still faster.
All distances on this page are straight-line (great-circle) measurements. Driving distances are typically 20–40% longer due to road routing. Flight times assume 800 km/h cruising speed plus 30 minutes for takeoff and landing.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 11, 2026.