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Japan › Iki › Iki → Saikai

Iki → Saikai

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 Iki and Saikai.

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 Iki (Nagasaki) to Saikai (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: Saikai → Iki →

Driving directions · Iki → Saikai

  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 sharp right112 m0min
  11. ←Turn left359 m0min
  12. ←Turn left onto 唐津呼子線23174 m0min
  13. ←Turn left onto 唐津呼子線23821 m1min
  14. →Turn right62 m0min
  15. ←Turn left1.5 km2min
  16. ←Turn left onto 唐津バイパス204, 382480 m0min
  17. ↱Turn sharp right onto 千々賀神田線32014 m0min
  18. ↖Turn slight left onto 千々賀神田線3205.3 km5min
  19. ↱Turn sharp right300 m0min
  20. ↖Turn slight left onto 西九州自動車道（唐津伊万里道路）E352.8 km3min
  21. ↰Keep left364 m0min
  22. ←Turn left10.7 km9min
  23. →Turn right onto 国道202号2026.7 km9min
  24. ←Turn left onto 国道202号2029.2 km12min
  25. →Turn right onto 国道35号35, 2028.5 km11min
  26. ↰Keep left357 m0min
  27. ↑Continue onto 国道202号202, 2064.7 km6min
  28. ←Turn left onto 指方バイパス2027.4 km6min
  29. ↰Keep left261 m0min
  30. →Turn right386 m1min
  31. ↰Turn sharp left onto 国道202号202, 206376 m0min
  32. ↖Turn slight left onto 国道206号20640 m0min
  33. →Turn right onto 日ノ坂瀬川港線2057.8 km8min
  34. ↱Keep right99 m0min
  35. ↱Turn sharp right onto 七釜西彼線1221.9 km2min
  36. ←Turn left onto 七釜西彼線122710 m1min
  37. ↱Turn sharp right111 m0min
  38. ↰Turn sharp left onto 森林基幹道 西彼杵半島線447 m1min
  39. ←Turn left233 m0min
  40. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

伊万里佐賀県
さいかい長崎県

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 kmUnzen Unzen123 km

Distances from Saikai

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

Frequently asked questions

How far is it from Iki to Saikai?

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

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

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).