Seogwipo to Kumamoto by ferry
Kumamoto lies 388 km (241 mi) east of Seogwipo, in the same time zone. What the numbers say about getting there.
The sea distance is about 388 km (241 mi); at typical ferry speeds a direct crossing would take around 11 h 46 min. Whether one runs, and how often, is in the operator’s timetable.
| Seogwipo | Kumamoto | |
|---|---|---|
| Country | South Korea | Japan |
| Population | 178,552 | 738,907 |
| Elevation | 69 m (226 ft) | 9 m (30 ft) |
| Time now | UTC+9 (Asia/Seoul) | UTC+9 (Asia/Tokyo) |
| Port | Moseulpo Port | Port of Kumamoto |
What changes when you arrive in Kumamoto
Crossing from South Korea into Japan: money changes from the Won to the Yen (JPY); traffic switches to the left; sockets are NEMA 1-15, NEMA 5-15; the dialling code becomes +81; the emergency number is http://www.wikidata.org/entity/Q11185210 / http://www.wikidata.org/entity/Q25648823.
Where to book ferries from Seogwipo to Kumamoto
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Kumamoto
Our booking partner lists 160 places to stay in Kumamoto. Of the 127 with a star rating, the largest group is 3-star (81), and 1 are five-star. Across 77 properties with at least 50 reviews, the average guest score is 8.3 out of 10. Guests have left 79,614 reviews in total.
Book a hotel in Kumamoto
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Kumamoto from Seogwipo?
388 km (241 mi) in a straight line, east of Seogwipo; by road roughly 474 km (294 mi).
How long does it take to get from Seogwipo to Kumamoto by ferry?
About 11 h 46 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Seogwipo and Kumamoto?
No, both are on the same offset at the moment.
What currency do I need in Kumamoto?
The Yen (JPY).
Where can I stay in Kumamoto?
Our booking partner lists 160 places to stay in Kumamoto, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 13 September 2026. Hotel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.