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Japan › Unzen › Unzen → Iki

Unzen → Iki

Nagasaki → Nagasaki
Straight line123 km
By road166 km
Driving time4h 20min
Fuel cost¥2,470
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Travel time by mode

Real road routing between Unzen and Iki.

ModeDistanceTime
🚗 Car166 km4h 20min
🚲 Bike166 km11h 6min
🚶 On foot141 km29h 23min

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 Iki (Nagasaki) is 123 km in a straight line, or 166 km by road. A car trip takes about 4h 20min for an estimated fuel cost of around ¥2,470. The full driving directions are shown below.

⇄ Return route: Iki → Unzen →

Driving directions · Unzen → Iki

  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, 25110.2 km9min
  9. ↰Keep left670 m1min
  10. ↰Keep left51.0 km34min
  11. ↰Keep left511 m0min
  12. ↰Keep left163 m0min
  13. ↰Keep left24 m0min
  14. ↖Turn slight left onto 国道34号34, 498838 m1min
  15. ←Turn left onto 武雄多久線246.3 km6min
  16. ←Turn left onto 武雄多久線243.1 km3min
  17. ←Turn left onto 国道203号2033.6 km3min
  18. ←Turn left onto 国道203号334 m0min
  19. ↑Continue onto 厳木バイパス2035.9 km4min
  20. ←Turn left onto 国道203号2039.3 km8min
  21. →Turn right onto 国道202号202, 2033.4 km3min
  22. ↑Continue onto 唐津バイパス204, 3821.3 km1min
  23. →Turn right1.1 km1min
  24. →Turn right218 m0min
  25. →Turn right180 m0min
  26. ←Turn left onto 県道236号唐津停車場線236393 m0min
  27. ←Turn left onto 県道347号虹の松原線347347 m0min
  28. →Turn right393 m0min
  29. ←Turn left1.8 km2min
  30. →Turn right619 m1min
  31. →Turn right319 m1min
  32. ↰Keep left11 m0min
  33. ↖Turn slight left40.5 km2h 32min
  34. ←Turn left206 m1min
  35. ↑Continue85 m0min
  36. ↑Continue onto 勝本石田線232.8 km3min
  37. ←Turn left1.0 km1min
  38. ↱Keep right611 m1min
  39. ↗Turn slight right onto 郷ノ浦芦辺線173316 m0min
  40. ←Turn left800 m2min
  41. ←Turn left1.0 km2min
  42. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

長崎街道鈴田峠長崎県
彼杵の荘長崎県
厳木佐賀県

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

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 kmGotō Gotō135 kmMinamishimabara Minamishimabara11 kmSaikai Saikai58 km

Distances from Iki

Hirado Hirado49 kmMatsuura Matsuura49 kmTsushima Tsushima62 kmSasebo Sasebo68 kmSaikai Saikai89 kmŌmura Ōmura98 kmTogitsu Togitsu106 kmObita Obita109 kmIsahaya Isahaya109 kmNagasaki Nagasaki116 kmShimabara Shimabara126 kmMinamishimabara Minamishimabara134 kmFukuechō Fukuechō146 kmGotō Gotō149 km

Frequently asked questions

How far is it from Unzen to Iki?

About 166 km by road (123 km in a straight line).

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

About 4h 20min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥2,470 one way (≈8.3 L/100 km at ¥179/L).