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Kōshi → Aso

Kumamoto → Kumamoto
Straight line29 km
By road32 km
Driving time31min
Fuel cost¥480
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Travel time by mode

Real road routing between Kōshi and Aso.

ModeDistanceTime
🚗 Car32 km31min
🚲 Bike32 km2h 10min
🚶 On foot33 km6h 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 Kōshi (Kumamoto) to Aso (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.

⇄ Return route: Aso → Kōshi →

Driving directions · Kōshi → Aso

  1. ↑Continue285 m1min
  2. →Turn right onto 大津植木線302.8 km3min
  3. →Turn right onto 大津植木線302.0 km2min
  4. ←Turn left onto 大津植木線30, 3416.1 km6min
  5. ←Turn left1.3 km2min
  6. ←Turn left218 m0min
  7. ↑Continue onto 北側復旧道路5711.4 km7min
  8. ←Turn left onto 国道57号575.8 km8min
  9. ↰Keep left1.4 km2min
  10. ↖Turn slight left onto 国道57号57843 m1min
  11. ←Turn left138 m0min
  12. ↖Turn slight left11 m0min
  13. ↱Keep right13 m0min
  14. ↰Turn sharp left5 m0min
  15. 🏁Arrive at destination0 m0min

Roadside stations (michi-no-eki) along the route

Rest stops with local food and products near this itinerary.

泗水熊本県
大津熊本県
阿蘇熊本県

Source: MLIT — National Land Numerical Information (P35, 2018)

Distances from Kōshi

Kumamoto Kumamoto12 kmHonmachi Honmachi46 kmTamana Tamana20 kmHondomachi-hondo Hondomachi-hondo75 kmUto Uto25 kmHitoyoshi Hitoyoshi75 kmYamaga Yamaga16 kmUekimachi-mōno Uekimachi-mōno8 kmŌzu Ōzu9 kmMinamata Minamata83 kmKikuchi Kikuchi11 kmMatsubase Matsubase29 kmUshibukamachi Ushibukamachi105 kmAmakusa Amakusa73 kmArao Arao32 km

Distances from Aso

Ōzu Ōzu20 kmKikuchi Kikuchi25 kmUekimachi-mōno Uekimachi-mōno37 kmYamaga Yamaga38 kmKumamoto Kumamoto39 kmTamana Tamana47 kmUto Uto48 kmMatsubase Matsubase50 kmUki Uki53 kmYatsushiro Yatsushiro58 kmArao Arao59 kmHonmachi Honmachi66 kmKamiamakusa Kamiamakusa81 kmHitoyoshi Hitoyoshi86 kmAmakusa Amakusa99 km

Frequently asked questions

How far is it from Kōshi to Aso?

About 32 km by road (29 km in a straight line).

How long does it take to drive from Kōshi to Aso?

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).