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Japan › Iki › Iki → Unzen

Iki → Unzen

Nagasaki → Nagasaki
Straight line123 km
By road168 km
Driving time4h 21min
Fuel cost¥2,490
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Travel time by mode

Real road routing between Iki and Unzen.

ModeDistanceTime
🚗 Car168 km4h 21min
🚲 Bike168 km11h 10min
🚶 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 Iki (Nagasaki) to Unzen (Nagasaki) is 123 km in a straight line, or 168 km by road. A car trip takes about 4h 21min for an estimated fuel cost of around ¥2,490. The full driving directions are shown below.

⇄ Return route: Unzen → Iki →

Driving directions · Iki → Unzen

  1. ↑Continue1.0 km2min
  2. →Turn right800 m2min
  3. →Turn right onto 郷ノ浦芦辺線173316 m0min
  4. ↰Keep left1.6 km2min
  5. →Turn right onto 勝本石田線232.8 km3min
  6. ↑Continue85 m0min
  7. ↑Continue206 m1min
  8. →Turn right40.6 km2h 32min
  9. ←Turn left603 m1min
  10. ←Turn left1.8 km2min
  11. →Turn right393 m0min
  12. ←Turn left onto 県道347号虹の松原線347347 m0min
  13. →Turn right onto 県道236号唐津停車場線236393 m0min
  14. →Turn right onto 県道236号唐津停車場線236180 m0min
  15. ←Turn left218 m0min
  16. ←Turn left1.1 km1min
  17. ←Turn left onto 唐津バイパス204, 3821.3 km1min
  18. ↑Continue onto 国道202号2023.4 km3min
  19. ←Turn left onto 国道203号2039.3 km8min
  20. →Turn right onto 厳木バイパス5.9 km4min
  21. ↰Keep left onto 国道203号203258 m0min
  22. ←Turn left onto 国道203号42 m0min
  23. →Turn right onto 国道203号2033.6 km3min
  24. →Turn right onto 武雄多久線243.1 km3min
  25. →Turn right onto 武雄多久線24, 25920 m1min
  26. ↰Keep left onto 武雄多久線245.4 km5min
  27. →Turn right onto 国道34号34856 m1min
  28. ↑Continue onto 国道498号49823 m0min
  29. ↱Keep right341 m0min
  30. ↱Keep right51.8 km35min
  31. ↰Keep left933 m1min
  32. ↱Keep right56 m0min
  33. ↱Keep right1.3 km1min
  34. ↰Keep left onto 国道57号57, 2079.5 km8min
  35. ↰Turn sharp left2.7 km2min
  36. ↰Keep left380 m0min
  37. ←Turn left onto 国道57号57, 2519.8 km9min
  38. ↰Keep left123 m0min
  39. →Turn right611 m1min
  40. ↰Turn sharp left149 m0min
  41. ←Turn left3.3 km7min
  42. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

厳木佐賀県
彼杵の荘長崎県
長崎街道鈴田峠長崎県

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

Distances from Iki

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

Distances from Unzen

Minamishimabara Minamishimabara11 kmShimabara Shimabara11 kmIsahaya Isahaya21 kmŌmura Ōmura32 kmNagasaki Nagasaki34 kmObita Obita35 kmTogitsu Togitsu38 kmSaikai Saikai58 kmSasebo Sasebo66 kmMatsuura Matsuura82 kmHirado Hirado93 kmFukuechō Fukuechō132 kmGotō Gotō135 kmTsushima Tsushima183 km

Frequently asked questions

How far is it from Iki to Unzen?

About 168 km by road (123 km in a straight line).

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

About 4h 21min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥2,490 one way (≈8.3 L/100 km at ¥179/L).