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Osaka → Iwakuni

Ōsaka → Yamaguchi
Straight line307 km
By road371 km
Driving time4h 20min
Fuel cost¥5,510
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Travel time by mode

Real road routing between Osaka and Iwakuni.

ModeDistanceTime
🚗 Car371 km4h 20min
🚲 Bike371 km24h 44min
🚶 On foot353 km73h 27min

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 Osaka (Ōsaka) to Iwakuni (Yamaguchi) is 307 km in a straight line, or 371 km by road. A car trip takes about 4h 20min for an estimated fuel cost of around ¥5,510. The full driving directions are shown below. Summers are hot (warmest month around 28.2°C); spring and autumn are the most comfortable seasons for this drive.

⇄ Return route: Iwakuni → Osaka →

Driving directions · Osaka → Iwakuni

  1. ↑Continue onto 中之島通1.3 km2min
  2. →Turn right onto なにわ筋41650 m1min
  3. ←Turn left13 m0min
  4. ↱Keep right4.0 km4min
  5. ↰Keep left onto 11114.2 km4min
  6. ↑Continue onto 大阪池田線10111 m0min
  7. ↱Keep right4.0 km3min
  8. ↱Keep right onto 阪神高速11号池田線111.6 km1min
  9. ↱Keep right292 m0min
  10. ↱Keep right onto 中国自動車道20.0 km16min
  11. ↰Keep left onto 神戸JCTE2984 m1min
  12. ↰Keep left onto 神戸JCTE2322.8 km3h 37min
  13. ↰Keep left1.1 km1min
  14. ←Turn left onto 国道2号2, 4338.3 km9min
  15. ↰Keep left onto 国道188号188, 1891.5 km2min
  16. →Turn right121 m0min
  17. ↰Keep left114 m0min
  18. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

神戸フルーツ・フラワーパーク 大沢兵庫県
淡河兵庫県
みき兵庫県
あいおい白龍城兵庫県
クロスロードみつぎ広島県

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

Distances from Osaka

Sakai Sakai13 kmHirakata Hirakata19 kmToyonaka Toyonaka10 kmTakatsuki Takatsuki20 kmSuita Suita8 kmIbaraki Ibaraki15 kmYao Yao12 kmNeyagawa Neyagawa14 kmKishiwada Kishiwada28 kmIzumi Izumi24 kmMoriguchi Moriguchi7 kmTondabayashichō Tondabayashichō23 kmKadoma Kadoma8 kmMatsubara Matsubara15 kmDaitōchō Daitōchō11 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 Shimonoseki112 km

Frequently asked questions

How far is it from Osaka to Iwakuni?

About 371 km by road (307 km in a straight line).

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

About 4h 20min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥5,510 one way (≈8.3 L/100 km at ¥179/L).