Osaka, Japan → Busan, South Korea · ✈ 1h 14min · 🚗 9h 33min
317 nautical miles · Time difference: Same timezone · Direction: west
The distance from Osaka to Busan is 588 km (365 miles). The fastest way to travel is by high-speed train. A high-speed train covers the distance in approximately 2h 6min.
The straight-line distance from Osaka, Japan to Busan, South Korea is approximately 588 kilometers (365 miles or 317 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Busan is located west of Osaka. Osaka is in Asia, in the Kansai region of Japan, while Busan is in Asia, in Southeast, South Korea. Both cities are in Asia.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 588 km | ~1h 14min | Best option for speed |
| 🚗 Drive | ~764 km | ~9h 33min | Feasible with breaks |
| 🚄 High-Speed Train | ~676 km | ~2h 6min | Often faster than flying (no airport time) |
| 🚂 Regular Train | ~706 km | ~5h 53min | Scenic but slow |
Our recommendation: high-speed train is typically the best way to travel from Osaka to Busan. For 588 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 764 km, fuel costs for driving from Osaka to Busan are approximately $61–$115 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
Osaka sits at 34.6937°N, 135.5023°E, while Busan is located at 35.1796°N, 129.0756°E. The initial compass bearing from Osaka to Busan is 277° (W), so a great-circle flight path leaves Osaka heading roughly W. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 0.49° and the longitude difference is 6.43°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Osaka and Busan is approximately 34.9790°N, 132.2985°E. This is the great-circle halfway position — the spot where you would be exactly 294 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Osaka and Busan share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Osaka uses the Japanese Yen (JPY), while Busan uses the South Korean Won (KRW). Plan to exchange currency before departure or use a low-fee travel card on arrival — airport rates are typically the worst available. The primary local language shifts from Japanese in Osaka to Korean in Busan. Learning a few basic phrases makes a noticeable difference at hotels, restaurants, and transit hubs.
Osaka is a major city in Japan with a population of approximately 2,753,862. Located in the Kansai region, it is an important hub in Asia. Osaka is a significant metropolitan area in Japan with good domestic and international transport connections.
→ See all distances from Osaka
Busan is a notable city in South Korea with a population of approximately 3,429,000. Situated in the Southeast region, it serves as a key destination in Asia. Busan offers solid transport connections and a variety of arrival options as a major city in South Korea.
588 km is a medium-distance route, similar to traveling across a mid-sized European country. A flight covers this distance quickly, but driving or rail travel remains feasible for those who prefer ground transport. For reference, New York to Chicago is about 1,150 km.
At 588 km, the Osaka-Busan route is about 1.5% of Earth's circumference. A commercial jet covers this distance in about 1h 14min.
The straight-line distance from Osaka to Busan is approximately 588 kilometers (365 miles, 317 nautical miles).
A direct flight takes approximately 1h 14min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 9h 33min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Busan is approximately Same timezone compared to Osaka.
The estimated road distance is approximately 764 km, which is about 30% longer than the 588 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 21, 2026.