Travel time by mode
Real road routing between Iwakuni and Sanyōonoda.
| Mode | Distance | Time |
|---|---|---|
| 🚗 Car | 119 km | 1h 31min |
| 🚲 Bike | 119 km | 7h 56min |
| 🚶 On foot | 113 km | 23h 37min |
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 Sanyōonoda (Yamaguchi) is 99 km in a straight line, or 119 km by road. A car trip takes about 1h 31min for an estimated fuel cost of around ¥1,770. The full driving directions are shown below. Spring and autumn offer the most comfortable driving conditions.
Driving directions · Iwakuni → Sanyōonoda
- ↑Continue
- ←Turn left onto 岩国玖珂線15
- ↰Turn sharp left onto 国道188号188
- →Turn right onto 岩国玖珂線15
- ←Turn left
- ↗Turn slight right onto 上久原藤生停車場線136
- ↰Turn sharp left onto 国道437号437
- →Turn right onto 柳井玖珂線70
- ←Turn left onto 柳井玖珂線70
- ←Turn left
- ↱Keep right
- ↰Keep left
- ←Turn left onto 高井大道停車場線187
- ←Turn left
- ↗Turn slight right
- →Turn right
- ←Turn left onto 宇部防府線25
- →Turn right onto 大海秋穂二島線338
- ↑Continue onto 宇部防府線25
- ←Turn left
- ↰Keep left
- ↑Continue onto 山陽自動車道宇部下関線E2
- ↰Keep left
- ↱Keep right
- ←Turn left
- ↱Turn sharp right
- ←Turn left
- →Turn right
- 🏁Arrive at destination
Roadside stations (michi-no-eki) along the route
Rest stops with local food and products near this itinerary.
Source: MLIT — National Land Numerical Information (P35, 2018)
Distances from Iwakuni
Distances from Sanyōonoda
Frequently asked questions
How far is it from Iwakuni to Sanyōonoda?
About 119 km by road (99 km in a straight line).
How long does it take to drive from Iwakuni to Sanyōonoda?
About 1h 31min by car under normal conditions.
How much fuel does the trip cost?
Roughly ¥1,770 one way (≈8.3 L/100 km at ¥179/L).