Travel time by mode
Real road routing between Kamiamakusa and Kōshi.
| Mode | Distance | Time |
|---|---|---|
| 🚗 Car | 74 km | 1h 7min |
| 🚲 Bike | 74 km | 4h 54min |
| 🚶 On foot | 66 km | 13h 44min |
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 Kamiamakusa (Kumamoto) to Kōshi (Kumamoto) is 57 km in a straight line, or 74 km by road. A car trip takes about 1h 7min for an estimated fuel cost of around ¥1,090. The full driving directions are shown below.
Driving directions · Kamiamakusa → Kōshi
- ↑Continue onto 教良木知十港線290
- →Turn right onto 国道324号324
- ←Turn left
- ↑Continue onto 熊本天草幹線道路（松島有料道路）324
- ↖Turn slight left onto 国道266号266, 324
- ↰Keep left toward 324
- ↖Turn slight left onto 熊本天草幹線道路（三角大矢野道路）324
- →Turn right onto 国道57号57
- ↰Keep left
- ←Turn left onto 川尻宇土線297
- →Turn right onto 宇土甲佐線38
- ←Turn left onto 川尻バイパス3, 57, 218, 219
- ←Turn left onto 熊本嘉島線50, 297
- ↱Keep right onto 川尻宇土線297
- ↑Continue onto 川尻宇土線297
- →Turn right onto 熊本菊鹿線37
- ↑Continue
- →Turn right onto 飛田バイパス387
- →Turn right onto 大津西合志線341
- ←Turn left
- ↑Continue
- ↰Keep left
- ↰Turn sharp left
- 🏁Arrive at destination
Roadside stations (michi-no-eki) along the route
Rest stops with local food and products near this itinerary.
上天草さんぱーる熊本県
宇土マリーナ熊本県
泗水熊本県
Source: MLIT — National Land Numerical Information (P35, 2018)
Distances from Kamiamakusa
Kumamoto Kumamoto45 kmHonmachi Honmachi19 kmTamana Tamana54 kmHondomachi-hondo Hondomachi-hondo22 kmUto Uto33 kmHitoyoshi Hitoyoshi45 kmYamaga Yamaga65 kmUekimachi-mōno Uekimachi-mōno53 kmŌzu Ōzu62 kmMinamata Minamata30 kmAso Aso81 kmKikuchi Kikuchi68 kmMatsubase Matsubase31 kmUshibukamachi Ushibukamachi47 kmAmakusa Amakusa19 km
Distances from Kōshi
Uekimachi-mōno Uekimachi-mōno8 kmŌzu Ōzu9 kmKikuchi Kikuchi11 kmKumamoto Kumamoto12 kmYamaga Yamaga16 kmTamana Tamana20 kmUto Uto25 kmAso Aso29 kmMatsubase Matsubase29 kmUki Uki32 kmArao Arao32 kmYatsushiro Yatsushiro39 kmHonmachi Honmachi46 kmAmakusa Amakusa73 kmHondomachi-hondo Hondomachi-hondo75 km
Frequently asked questions
How far is it from Kamiamakusa to Kōshi?
About 74 km by road (57 km in a straight line).
How long does it take to drive from Kamiamakusa to Kōshi?
About 1h 7min by car under normal conditions.
How much fuel does the trip cost?
Roughly ¥1,090 one way (≈8.3 L/100 km at ¥179/L).