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Japan › Unzen › Unzen → Saikai

Unzen → Saikai

Nagasaki → Nagasaki
Straight line58 km
By road86 km
Driving time1h 19min
Fuel cost¥1,280
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Travel time by mode

Real road routing between Unzen and Saikai.

ModeDistanceTime
🚗 Car86 km1h 19min
🚲 Bike86 km5h 44min
🚶 On foot67 km13h 54min

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 Saikai (Nagasaki) is 58 km in a straight line, or 86 km by road. A car trip takes about 1h 19min for an estimated fuel cost of around ¥1,280. The full driving directions are shown below.

⇄ Return route: Saikai → Unzen →

Driving directions · Unzen → Saikai

  1. ↑Continue3.3 km7min
  2. →Turn right149 m0min
  3. ↱Turn sharp right611 m1min
  4. ←Turn left123 m0min
  5. ↗Turn slight right onto 国道57号57, 2519.8 km9min
  6. →Turn right onto 愛野森山バイパス25125 m0min
  7. ↰Keep left3.0 km2min
  8. →Turn right onto 国道57号57, 25115.3 km13min
  9. ↱Keep right onto 長崎バイパス9.2 km6min
  10. ↑Continue onto 長崎バイパス397 m0min
  11. ↰Keep left onto 長崎バイパス⇒川平有料道路5.2 km3min
  12. →Turn right onto 国道206号20630.4 km26min
  13. ↰Turn sharp left1.2 km2min
  14. ↰Turn sharp left onto 大瀬戸西彼線12328 m0min
  15. ↱Turn sharp right onto 西彼杵広域農道1.7 km2min
  16. ↱Turn sharp right42 m0min
  17. →Turn right192 m0min
  18. ↱Turn sharp right onto 七釜西彼線122964 m1min
  19. →Turn right onto 七釜西彼線122316 m0min
  20. ↗Turn slight right onto 七釜西彼線122, 205201 m0min
  21. ↰Keep left onto 七釜西彼線1222.0 km2min
  22. ←Turn left onto 七釜西彼線122710 m1min
  23. ↱Turn sharp right111 m0min
  24. ↰Turn sharp left onto 森林基幹道 西彼杵半島線447 m1min
  25. ←Turn left233 m0min
  26. 🏁Arrive at destination0 m0min

Distances from Unzen

Nagasaki Nagasaki34 kmSasebo Sasebo66 kmIsahaya Isahaya21 kmŌmura Ōmura32 kmObita Obita35 kmShimabara Shimabara11 kmTogitsu Togitsu38 kmFukuechō Fukuechō132 kmHirado Hirado93 kmMatsuura Matsuura82 kmTsushima Tsushima183 kmIki Iki123 kmGotō Gotō135 kmMinamishimabara Minamishimabara11 km

Distances from Saikai

Sasebo Sasebo21 kmTogitsu Togitsu23 kmŌmura Ōmura26 kmObita Obita27 kmNagasaki Nagasaki32 kmIsahaya Isahaya37 kmMatsuura Matsuura40 kmHirado Hirado44 kmMinamishimabara Minamishimabara65 kmShimabara Shimabara68 kmFukuechō Fukuechō84 kmGotō Gotō88 kmIki Iki89 kmTsushima Tsushima141 km

Frequently asked questions

How far is it from Unzen to Saikai?

About 86 km by road (58 km in a straight line).

How long does it take to drive from Unzen to Saikai?

About 1h 19min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥1,280 one way (≈8.3 L/100 km at ¥179/L).