Travel time by mode
Real road routing between Unzen and Isahaya.
| Mode | Distance | Time |
|---|---|---|
| 🚗 Car | 25 km | 30min |
| 🚲 Bike | 25 km | 1h 41min |
| 🚶 On foot | 24 km | 4h 58min |
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 Unzen (Nagasaki) to Isahaya (Nagasaki) is 21 km in a straight line, or 25 km by road. A car trip takes about 30min for an estimated fuel cost of around ¥370. The full driving directions are shown below.
Driving directions · Unzen → Isahaya
- ↑Continue
- →Turn right
- ↱Turn sharp right
- ←Turn left
- ↗Turn slight right onto 国道57号57, 251
- →Turn right onto 愛野森山バイパス251
- ↰Keep left
- →Turn right onto 国道57号57, 251
- ↱Turn sharp right onto 諫早飯盛線41
- ←Turn left
- ↱Turn sharp right
- 🏁Arrive at destination
Distances from Unzen
Distances from Isahaya
Frequently asked questions
How far is it from Unzen to Isahaya?
About 25 km by road (21 km in a straight line).
How long does it take to drive from Unzen to Isahaya?
About 30min by car under normal conditions.
How much fuel does the trip cost?
Roughly ¥370 one way (≈8.3 L/100 km at ¥179/L).