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Saikai → Osaka

Nagasaki → Ōsaka
Straight line570 km
By road710 km
Driving time8h 48min
Fuel cost¥10,540
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Travel time by mode

Real road routing between Saikai and Osaka.

ModeDistanceTime
🚗 Car710 km8h 48min
🚲 Bike710 km47h 18min
🚶 On foot655 km136h 31min

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 Osaka (Ōsaka) is 570 km in a straight line, or 710 km by road. A car trip takes about 8h 48min for an estimated fuel cost of around ¥10,540. The full driving directions are shown below.

⇄ Return route: Osaka → Saikai →

Driving directions · Saikai → Osaka

  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, 49824.4 km25min
  21. ↱Keep right953 m1min
  22. →Turn right onto 唐津バイパス202190 m0min
  23. ↑Continue onto 唐津大橋2025.7 km5min
  24. ↑Continue onto 二丈浜玉道路2024.6 km4min
  25. ↰Keep left654 m1min
  26. ↑Continue onto 二丈浜玉道路202, E3512.6 km12min
  27. ↱Keep right13.8 km9min
  28. ↰Keep left onto 福岡都市高速環状線外回り10.8 km7min
  29. ↰Keep left onto 福岡都市高速1号線16.1 km4min
  30. ↱Keep right onto 福岡都市高速1号香椎線15.2 km4min
  31. →Turn right46 m0min
  32. ↑Continue onto 町川原福岡線5044.2 km4min
  33. →Turn right80 m0min
  34. →Turn right onto 米多比谷山古賀線53663 m0min
  35. ←Turn left259 m1min
  36. ←Turn left onto 筑紫野古賀線35268 m0min
  37. →Turn right698 m1min
  38. ↰Keep left66.8 km47min
  39. ↰Keep left628 m1min
  40. ↱Keep right6.2 km5min
  41. ↰Keep left onto 国道2号210.9 km9min
  42. ↱Keep right onto 国道2号2, 931.6 km27min
  43. ↰Keep left onto 22342 m0min
  44. ↑Continue onto 国道2号2144 m0min
  45. ↱Keep right onto 221.6 km2min
  46. ↰Keep left onto 221.8 km2min
  47. ↰Keep left onto 2, 92, 9398 m0min
  48. ↱Keep right217 m0min
  49. ↱Keep right2.5 km2min
  50. ↰Keep left onto 国道2号22.7 km2min
  51. ↰Keep left1.1 km1min
  52. ↱Keep right412.5 km4h 31min
  53. ↰Keep left onto 山陽自動車道E2355 m0min
  54. ↱Keep right onto 神戸JCTE221.2 km17min
  55. ↰Keep left and drive toward 池田, 豊中, 大阪空港518 m0min
  56. ↰Keep left368 m0min
  57. ↑Continue onto 大阪池田線10175 m0min
  58. ↱Keep right onto 大阪池田線10633 m1min
  59. ↱Keep right onto 11114.4 km3min
  60. ↰Keep left onto 1111324 m0min
  61. ↰Keep left onto 大阪池田線10939 m1min
  62. ←Turn left onto 名神栄町線47 m0min
  63. ↱Keep right onto 名神栄町線153 m0min
  64. →Turn right onto 名神栄町線233 m0min
  65. →Turn right onto 阪急西側南線582 m1min
  66. ←Turn left onto 庄本牛立線152722 m1min
  67. →Turn right onto 国道176号1765.3 km6min
  68. ←Turn left onto 国道176号176747 m1min
  69. ↖Turn slight left onto 御堂筋25, 26, 165442 m1min
  70. ←Turn left onto 中之島通104 m0min
  71. 🏁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
潮彩市場防府山口県
ソレーネ周南山口県
クロスロードみつぎ広島県
あいおい白龍城兵庫県
みき兵庫県
淡河兵庫県

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 kmIki Iki89 kmGotō Gotō88 kmMinamishimabara Minamishimabara65 kmUnzen Unzen58 km

Distances from Osaka

Moriguchi Moriguchi7 kmSuita Suita8 kmHigashi-ōsaka Higashi-ōsaka8 kmKadoma Kadoma8 kmToyonaka Toyonaka10 kmDaitōchō Daitōchō11 kmYao Yao12 kmSettsu Settsu13 kmSakai Sakai13 kmNeyagawa Neyagawa14 kmMatsubara Matsubara15 kmIbaraki Ibaraki15 kmMino Mino15 kmIkeda Ikeda16 kmKashihara Kashihara16 km

Frequently asked questions

How far is it from Saikai to Osaka?

About 710 km by road (570 km in a straight line).

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

About 8h 48min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥10,540 one way (≈8.3 L/100 km at ¥179/L).