Kumamoto to Karatsu by ferry
Karatsu lies 98 km (61 mi) north-west of Kumamoto, in the same time zone. What the numbers say about getting there.
The sea distance is about 98 km (61 mi); at typical ferry speeds a direct crossing would take around 2 h 58 min. Whether one runs, and how often, is in the operator’s timetable.
| Kumamoto | Karatsu | |
|---|---|---|
| Country | Japan | Japan |
| Population | 738,907 | 117,663 |
| Elevation | 9 m (30 ft) | 7 m (23 ft) |
| Time now | UTC+9 (Asia/Tokyo) | UTC+9 (Asia/Tokyo) |
| Port | Port of Kumamoto | Yobuko Port |
| Postal codes | 802-0044 | 049-1506 |
Where to book ferries from Kumamoto to Karatsu
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 Karatsu
Live rooms and prices for Karatsu are in the search below.
Book a hotel in Karatsu
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 Karatsu from Kumamoto?
98 km (61 mi) in a straight line, north-west of Kumamoto; by road roughly 119 km (74 mi).
How long does it take to get from Kumamoto to Karatsu by ferry?
About 2 h 58 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Kumamoto and Karatsu?
No, both are on Asia/Tokyo at the moment.
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 14 September 2026. Hotel and hostel 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.