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Japan › Saikai › Saikai → Iki

Saikai → Iki

Nagasaki → Nagasaki
Straight line89 km
By road120 km
Driving time4h 1min
Fuel cost¥1,780
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Travel time by mode

Real road routing between Saikai and Iki.

ModeDistanceTime
🚗 Car120 km4h 1min
🚲 Bike120 km8h 0min
🚶 On foot102 km21h 17min

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 Saikai (Nagasaki) to Iki (Nagasaki) is 89 km in a straight line, or 120 km by road. A car trip takes about 4h 1min for an estimated fuel cost of around ¥1,780. The full driving directions are shown below.

⇄ Return route: Iki → Saikai →

Driving directions · Saikai → Iki

  1. ↑Continue233 m0min
  2. →Turn right onto 森林基幹道 西彼杵半島線447 m1min
  3. ↱Turn sharp right111 m0min
  4. ↰Turn sharp left onto 七釜西彼線122710 m1min
  5. →Turn right onto 七釜西彼線1221.9 km2min
  6. ↰Turn sharp left99 m0min
  7. ↑Continue onto 日ノ坂瀬川港線2057.8 km8min
  8. ←Turn left onto 国道206号20640 m0min
  9. ↗Turn slight right onto 国道202号202, 206376 m0min
  10. →Turn right148 m0min
  11. ↰Keep left7.8 km6min
  12. →Turn right onto 国道202号202, 2063.2 km4min
  13. →Turn right onto 平瀬佐世保線222815 m1min
  14. ←Turn left2.2 km3min
  15. →Turn right136 m0min
  16. ←Turn left453 m1min
  17. ↗Turn slight right371 m1min
  18. →Turn right onto 国道35号35, 2026.1 km8min
  19. ←Turn left onto 国道202号2029.2 km12min
  20. →Turn right onto 国道202号202, 204, 383, 4986.7 km9min
  21. ←Turn left641 m1min
  22. ↑Continue onto 西九州自動車道（唐津伊万里道路）E3513.0 km12min
  23. ↰Keep left522 m0min
  24. ↰Turn sharp left onto 千々賀神田線3205.3 km5min
  25. ←Turn left onto 唐津バイパス204, 382470 m0min
  26. →Turn right1.5 km2min
  27. →Turn right62 m0min
  28. ←Turn left onto 唐津呼子線23821 m1min
  29. →Turn right onto 唐津呼子線23174 m0min
  30. →Turn right359 m0min
  31. →Turn right112 m0min
  32. ↰Turn sharp left619 m1min
  33. →Turn right319 m1min
  34. ↰Keep left11 m0min
  35. ↖Turn slight left40.5 km2h 32min
  36. ←Turn left206 m1min
  37. ↑Continue85 m0min
  38. ↑Continue onto 勝本石田線232.8 km3min
  39. ←Turn left1.0 km1min
  40. ↱Keep right611 m1min
  41. ↗Turn slight right onto 郷ノ浦芦辺線173316 m0min
  42. ←Turn left800 m2min
  43. ←Turn left1.0 km2min
  44. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

さいかい長崎県
伊万里佐賀県

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

Distances from Saikai

Nagasaki Nagasaki32 kmSasebo Sasebo21 kmIsahaya Isahaya37 kmŌmura Ōmura26 kmObita Obita27 kmShimabara Shimabara68 kmTogitsu Togitsu23 kmFukuechō Fukuechō84 kmHirado Hirado44 kmMatsuura Matsuura40 kmTsushima Tsushima141 kmGotō Gotō88 kmMinamishimabara Minamishimabara65 kmUnzen Unzen58 km

Distances from Iki

Hirado Hirado49 kmMatsuura Matsuura49 kmTsushima Tsushima62 kmSasebo Sasebo68 kmŌmura Ōmura98 kmTogitsu Togitsu106 kmObita Obita109 kmIsahaya Isahaya109 kmNagasaki Nagasaki116 kmUnzen Unzen123 kmShimabara Shimabara126 kmMinamishimabara Minamishimabara134 kmFukuechō Fukuechō146 kmGotō Gotō149 km

Frequently asked questions

How far is it from Saikai to Iki?

About 120 km by road (89 km in a straight line).

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

About 4h 1min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥1,780 one way (≈8.3 L/100 km at ¥179/L).