Travel time by mode
Real road routing between Karatsu and Tosu.
| Mode | Distance | Time |
|---|---|---|
| 🚗 Car | 68 km | 52min |
| 🚲 Bike | 68 km | 4h 31min |
| 🚶 On foot | 59 km | 12h 19min |
Road distance, driving time and the route below are computed by our routing engine. Fuel cost assumes ~8.3 L/100 km at ¥179/L (regular gasoline, e-Stat national average 2025).
About this route
The distance from Karatsu (Saga) to Tosu (Saga) is 51 km in a straight line, or 68 km by road. A car trip takes about 52min for an estimated fuel cost of around ¥1,010. The full driving directions are shown below.
Driving directions · Karatsu → Tosu
- ↑Continue
- ←Turn left onto 唐津バイパス204, 382
- ↑Continue onto 国道202号202
- ←Turn left onto 国道203号203
- →Turn right onto 厳木バイパス
- ↰Keep left
- →Turn right
- ↰Keep left
- ↰Keep left
- ↱Keep right
- →Turn right onto 国道385号385
- ↰Turn sharp left onto 佐賀川久保鳥栖線31
- →Turn right
- 🏁Arrive at destination
Roadside stations (michi-no-eki) along the route
Rest stops with local food and products near this itinerary.
厳木佐賀県
大和佐賀県
吉野ヶ里佐賀県
Source: MLIT — National Land Numerical Information (P35, 2018)
Distances from Karatsu
Distances from Tosu
Frequently asked questions
How far is it from Karatsu to Tosu?
About 68 km by road (51 km in a straight line).
How long does it take to drive from Karatsu to Tosu?
About 52min by car under normal conditions.
How much fuel does the trip cost?
Roughly ¥1,010 one way (≈8.3 L/100 km at ¥179/L).