| Washougal to Glyka Nera | 6,292.26 mi (10,126.41 km) |
| Washougal to Grevena | 6,107.64 mi (9,829.30 km) |
| Washougal to Ialysos | 6,480.45 mi (10,429.27 km) |
| Washougal to Ilion | 6,286.46 mi (10,117.08 km) |
| Washougal to Ilioupoli | 6,293.88 mi (10,129.03 km) |
| Washougal to Ioannina | 6,121.40 mi (9,851.44 km) |
| Washougal to Irakleio | 6,488.77 mi (10,442.67 km) |
| Washougal to Irakleio | 6,286.82 mi (10,117.65 km) |
| Washougal to Kaisariani | 6,291.83 mi (10,125.73 km) |
| Washougal to Kalamaria | 6,108.75 mi (9,831.09 km) |
| Washougal to Kalamata | 6,314.79 mi (10,162.68 km) |
| Washougal to Kallithea | 6,291.76 mi (10,125.60 km) |
| Washougal to Kalymnos | 6,420.68 mi (10,333.09 km) |
| Washougal to Kalyvia Thorikou | 6,303.79 mi (10,144.97 km) |
| Washougal to Kamatero | 6,285.04 mi (10,114.79 km) |
