JapanRoutes
Japan › Iwakuni › Iwakuni → Osaka

Iwakuni → Osaka

Yamaguchi → Ōsaka
Straight line307 km
By road370 km
Driving time4h 21min
Fuel cost¥5,500
Plan another route
Type a city name and pick it from the list

Travel time by mode

Real road routing between Iwakuni and Osaka.

ModeDistanceTime
🚗 Car370 km4h 21min
🚲 Bike370 km24h 41min
🚶 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 Iwakuni (Yamaguchi) to Osaka (Ōsaka) is 307 km in a straight line, or 370 km by road. A car trip takes about 4h 21min for an estimated fuel cost of around ¥5,500. 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: Osaka → Iwakuni →

Driving directions · Iwakuni → Osaka

  1. ↑Continue229 m0min
  2. ←Turn left onto 国道188号188, 1899.5 km10min
  3. ↰Keep left588 m1min
  4. ↱Keep right322.6 km3h 37min
  5. ↰Keep left onto 山陽自動車道E2355 m0min
  6. ↱Keep right onto 神戸JCTE221.2 km17min
  7. ↰Keep left and drive toward 池田, 豊中, 大阪空港518 m0min
  8. ↰Keep left368 m0min
  9. ↑Continue onto 大阪池田線10175 m0min
  10. ↱Keep right onto 大阪池田線10633 m1min
  11. ↱Keep right onto 11114.4 km3min
  12. ↰Keep left onto 1111324 m0min
  13. ↰Keep left onto 大阪池田線10939 m1min
  14. ←Turn left onto 名神栄町線47 m0min
  15. ↱Keep right onto 名神栄町線153 m0min
  16. →Turn right onto 名神栄町線233 m0min
  17. →Turn right onto 阪急西側南線582 m1min
  18. ←Turn left onto 庄本牛立線152722 m1min
  19. →Turn right onto 国道176号1765.3 km6min
  20. ←Turn left onto 国道176号176747 m1min
  21. ↖Turn slight left onto 御堂筋25, 26, 165442 m1min
  22. ←Turn left onto 中之島通104 m0min
  23. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

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

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

Distances from Iwakuni

Shimonoseki Shimonoseki120 kmUbe 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 km

Distances from Osaka

Moriguchi Moriguchi7 kmSuita Suita8 kmHigashi-ōsaka Higashi-ōsaka8 kmKadoma Kadoma8 kmToyonaka Toyonaka10 kmDaitōchō Daitōchō11 kmYao Yao12 kmSettsu Settsu13 kmSakai Sakai13 kmNeyagawa Neyagawa14 kmMatsubara Matsubara15 kmIbaraki Ibaraki15 kmMino Mino15 kmIkeda Ikeda16 kmKashihara Kashihara16 km

Frequently asked questions

How far is it from Iwakuni to Osaka?

About 370 km by road (307 km in a straight line).

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

About 4h 21min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥5,500 one way (≈8.3 L/100 km at ¥179/L).