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Japan › Iwakuni › Iwakuni → Shimonoseki

Iwakuni → Shimonoseki

Yamaguchi → Yamaguchi
Straight line119 km
By road271 km
Driving time31h 46min
Fuel cost¥4,020
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Travel time by mode

Real road routing between Iwakuni and Shimonoseki.

ModeDistanceTime
🚗 Car271 km31h 46min
🚲 Bike271 km18h 3min
🚶 On foot137 km28h 35min

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 Iwakuni (Yamaguchi) to Shimonoseki (Yamaguchi) is 119 km in a straight line, or 271 km by road. A car trip takes about 31h 46min for an estimated fuel cost of around ¥4,020. The full driving directions are shown below. Spring and autumn offer the most comfortable driving conditions.

⇄ Return route: Shimonoseki → Iwakuni →

Driving directions · Iwakuni → Shimonoseki

  1. ↑Continue951 m2min
  2. ←Turn left onto 岩国玖珂線15257 m0min
  3. ↰Turn sharp left onto 国道188号1884.7 km4min
  4. ←Turn left onto 藤生停車場錦帯橋線112507 m1min
  5. →Turn right onto 国道188号188458 m1min
  6. →Turn right onto 藤生停車場錦帯橋線112484 m0min
  7. ↖Turn slight left232 m0min
  8. ↗Turn slight right onto 国道188号18817.2 km19min
  9. →Turn right236 m0min
  10. ←Turn left onto 国道437号437577 m0min
  11. ←Turn left onto 国道437号4371.3 km1min
  12. ←Turn left onto 国道437号43735.9 km31min
  13. ↰Keep left onto 油田港線351176 m0min
  14. ←Turn left15 m0min
  15. ↱Keep right33 m0min
  16. ↱Keep right onto オレンジライン(柳井-伊保田-三津浜)28.0 km1h 33min
  17. ↑Continue47 m0min
  18. ↗Turn slight right11 m0min
  19. ↰Turn sharp left213 m0min
  20. ←Turn left onto 松山東部環状線40225 m0min
  21. ←Turn left onto 松山東部環状線40523 m0min
  22. ←Turn left onto 松山東部環状線4026 m0min
  23. ←Turn left onto 松山港線19, 403.7 km4min
  24. ←Turn left186 m0min
  25. ↰Turn sharp left81 m0min
  26. ↰Keep left onto 松山小倉フェリー（松山―小倉）174.6 km29h 6min
  27. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

サザンセトとうわ山口県

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

Distances from Iwakuni

Ube Ube93 kmYamaguchi Yamaguchi69 kmHōfu Hōfu62 kmTokuyama Tokuyama39 kmKudamatsu Kudamatsu37 kmHikari Hikari34 kmOnoda Onoda97 kmHagi Hagi78 kmYanai Yanai24 kmOgōri-shimogō Ogōri-shimogō76 kmNagato Nagato97 kmShimonoseki Shimonoseki112 kmMine Mine92 kmSanyōonoda Sanyōonoda99 kmShūnan Shūnan37 km

Distances from Shimonoseki

Sanyōonoda Sanyōonoda21 kmOnoda Onoda22 kmShimonoseki Shimonoseki25 kmUbe Ube28 kmMine Mine36 kmOgōri-shimogō Ogōri-shimogō45 kmNagato Nagato53 kmYamaguchi Yamaguchi54 kmHōfu Hōfu58 kmHagi Hagi66 kmTokuyama Tokuyama81 kmShūnan Shūnan82 kmKudamatsu Kudamatsu85 kmHikari Hikari92 kmYanai Yanai108 km

Frequently asked questions

How far is it from Iwakuni to Shimonoseki?

About 271 km by road (119 km in a straight line).

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

About 31h 46min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥4,020 one way (≈8.3 L/100 km at ¥179/L).