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Japan › Iwai › Iwai → Koga

Iwai → Koga

Ibaraki → Ibaraki
Straight line22 km
By road25 km
Driving time28min
Fuel cost¥370
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Travel time by mode

Real road routing between Iwai and Koga.

ModeDistanceTime
🚗 Car25 km28min
🚲 Bike25 km1h 39min
🚶 On foot25 km5h 18min

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 Iwai (Ibaraki) to Koga (Ibaraki) is 22 km in a straight line, or 25 km by road. A car trip takes about 28min for an estimated fuel cost of around ¥370. The full driving directions are shown below.

⇄ Return route: Koga → Iwai →

Driving directions · Iwai → Koga

  1. ↑Continue53 m0min
  2. →Turn right123 m0min
  3. →Turn right317 m1min
  4. ↰Turn sharp left onto 土浦坂東線123585 m1min
  5. →Turn right744 m1min
  6. ↑Continue onto 国道354号3542.2 km3min
  7. ←Turn left onto 国道354号3547.3 km8min
  8. ←Turn left onto 国道354号3543.7 km3min
  9. ↑Continue onto 境間々田線1901.7 km2min
  10. ↑Continue onto 国道354号3547.2 km8min
  11. →Turn right onto 古河バイパス4, 125730 m1min
  12. ↰Turn sharp left100 m0min
  13. 🏁Arrive at destination0 m0min

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

Rest stops with local food and products near this itinerary.

さかい茨城県
ごか茨城県

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

Distances from Iwai

Mito Mito60 kmHitachi Hitachi91 kmTsukuba Tsukuba25 kmHitachi-Naka Hitachi-Naka69 kmKatsuta Katsuta68 kmRyūgasaki Ryūgasaki31 kmToride Toride23 kmUshiku Ushiku23 kmKashima-shi Kashima-shi68 kmShimodate Shimodate29 kmMoriya Moriya16 kmIshioka Ishioka36 kmYūki Yūki28 kmKitaibaraki Kitaibaraki112 kmAmi Ami27 km

Distances from Koga

Sakai Sakai12 kmBandō Bandō18 kmYūki Yūki20 kmShimo-tsuma Shimo-tsuma22 kmIshige Ishige24 kmShimodate Shimodate27 kmJōsō Jōsō27 kmChikusei Chikusei28 kmMitsukaidō Mitsukaidō30 kmTsukubamirai Tsukubamirai34 kmTsukuba Tsukuba34 kmMakabe Makabe36 kmSakuragawa Sakuragawa37 kmMoriya Moriya38 kmIwase Iwase39 km

Frequently asked questions

How far is it from Iwai to Koga?

About 25 km by road (22 km in a straight line).

How long does it take to drive from Iwai to Koga?

About 28min by car under normal conditions.

How much fuel does the trip cost?

Roughly ¥370 one way (≈8.3 L/100 km at ¥179/L).