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Japan › Shimonoseki › Shimonoseki → Iwakuni

Shimonoseki → Iwakuni

Yamaguchi → Yamaguchi
Straight line112 km
By road147 km
Driving time1h 46min
Fuel cost¥2,180
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Travel time by mode

Real road routing between Shimonoseki and Iwakuni.

ModeDistanceTime
🚗 Car147 km1h 46min
🚲 Bike147 km9h 48min
🚶 On foot129 km26h 52min

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 Shimonoseki (Yamaguchi) to Iwakuni (Yamaguchi) is 112 km in a straight line, or 147 km by road. A car trip takes about 1h 46min for an estimated fuel cost of around ¥2,180. The full driving directions are shown below. Spring and autumn offer the most comfortable driving conditions.

⇄ Return route: Iwakuni → Shimonoseki →

Driving directions · Shimonoseki → Iwakuni

  1. ↑Continue onto 国道491号4914.0 km3min
  2. ←Turn left onto 国道491号491474 m0min
  3. ←Turn left onto 国道491号4912.7 km2min
  4. ↑Continue onto 美祢菊川線2332.9 km3min
  5. ←Turn left onto 美祢菊川線2334.1 km4min
  6. ←Turn left onto 美祢菊川線233, 2664.0 km4min
  7. ←Turn left onto 山陽豊田線65, 233240 m0min
  8. →Turn right onto 美祢菊川線2334.7 km5min
  9. ↑Continue503 m1min
  10. ←Turn left onto 下関美祢線335.0 km5min
  11. ↑Continue onto 国道435号4352.6 km2min
  12. ←Turn left onto 国道435号4351.5 km1min
  13. ↱Keep right284 m0min
  14. ↰Keep left22.4 km14min
  15. ↰Keep left onto 山陽自動車道72.7 km44min
  16. ↰Keep left698 m1min
  17. →Turn right onto 柳井玖珂線701.6 km1min
  18. →Turn right onto 柳井玖珂線70273 m0min
  19. ←Turn left onto 国道437号437296 m0min
  20. ↱Turn sharp right onto 上久原藤生停車場線1361.2 km1min
  21. ↰Keep left148 m0min
  22. →Turn right onto 岩国玖珂線1512.4 km11min
  23. ←Turn left onto 国道188号188967 m1min
  24. ↱Turn sharp right onto 岩国玖珂線15848 m1min
  25. ↱Turn sharp right221 m0min
  26. ←Turn left377 m1min
  27. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

きくがわ山口県
潮彩市場防府山口県
ソレーネ周南山口県

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

Distances from Shimonoseki

Shimonoseki Shimonoseki25 kmUbe Ube34 kmYamaguchi Yamaguchi43 kmHōfu Hōfu54 kmTokuyama Tokuyama76 kmKudamatsu Kudamatsu82 kmHikari Hikari91 kmOnoda Onoda25 kmHagi Hagi46 kmYanai Yanai105 kmOgōri-shimogō Ogōri-shimogō38 kmNagato Nagato30 kmMine Mine20 kmSanyōonoda Sanyōonoda21 kmShūnan Shūnan77 km

Distances from Iwakuni

Yanai Yanai24 kmHikari Hikari34 kmKudamatsu Kudamatsu37 kmShūnan Shūnan37 kmTokuyama Tokuyama39 kmHōfu Hōfu62 kmYamaguchi Yamaguchi69 kmOgōri-shimogō Ogōri-shimogō76 kmHagi Hagi78 kmMine Mine92 kmUbe Ube93 kmNagato Nagato97 kmOnoda Onoda97 kmSanyōonoda Sanyōonoda99 kmShimonoseki Shimonoseki120 km

Frequently asked questions

How far is it from Shimonoseki to Iwakuni?

About 147 km by road (112 km in a straight line).

How long does it take to drive from Shimonoseki to Iwakuni?

About 1h 46min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥2,180 one way (≈8.3 L/100 km at ¥179/L).