Travel time by mode
Real road routing between Aso and Kōshi.
| Mode | Distance | Time |
|---|---|---|
| 🚗 Car | 32 km | 31min |
| 🚲 Bike | 32 km | 2h 10min |
| 🚶 On foot | 33 km | 6h 54min |
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 Aso (Kumamoto) to Kōshi (Kumamoto) is 29 km in a straight line, or 32 km by road. A car trip takes about 31min for an estimated fuel cost of around ¥480. The full driving directions are shown below.
Driving directions · Aso → Kōshi
- ↑Continue
- ↱Turn sharp right
- ↱Keep right
- →Turn right onto 国道57号57
- ↱Keep right
- ↗Turn slight right onto 国道57号57
- →Turn right onto 北側復旧道路57
- ↰Keep left
- →Turn right
- →Turn right
- →Turn right onto 大津植木線30
- ←Turn left onto 大津植木線30, 49, 138, 316
- ←Turn left
- 🏁Arrive at destination
Roadside stations (michi-no-eki) along the route
Rest stops with local food and products near this itinerary.
阿蘇熊本県
大津熊本県
泗水熊本県
Source: MLIT — National Land Numerical Information (P35, 2018)
Distances from Aso
Kumamoto Kumamoto39 kmHonmachi Honmachi66 kmTamana Tamana47 kmHondomachi-hondo Hondomachi-hondo101 kmUto Uto48 kmHitoyoshi Hitoyoshi86 kmYamaga Yamaga38 kmUekimachi-mōno Uekimachi-mōno37 kmŌzu Ōzu20 kmMinamata Minamata102 kmKikuchi Kikuchi25 kmMatsubase Matsubase50 kmUshibukamachi Ushibukamachi129 kmAmakusa Amakusa99 kmArao Arao59 km
Distances from Kōshi
Uekimachi-mōno Uekimachi-mōno8 kmŌzu Ōzu9 kmKikuchi Kikuchi11 kmKumamoto Kumamoto12 kmYamaga Yamaga16 kmTamana Tamana20 kmUto Uto25 kmMatsubase Matsubase29 kmUki Uki32 kmArao Arao32 kmYatsushiro Yatsushiro39 kmHonmachi Honmachi46 kmKamiamakusa Kamiamakusa57 kmAmakusa Amakusa73 kmHondomachi-hondo Hondomachi-hondo75 km
Frequently asked questions
How far is it from Aso to Kōshi?
About 32 km by road (29 km in a straight line).
How long does it take to drive from Aso to Kōshi?
About 31min by car under normal conditions.
How much fuel does the trip cost?
Roughly ¥480 one way (≈8.3 L/100 km at ¥179/L).