| Washougal to Idar-Oberstein | 5,193.54 mi (8,358.20 km) |
| Washougal to Idstein | 5,187.89 mi (8,349.10 km) |
| Washougal to Illertissen | 5,348.50 mi (8,607.58 km) |
| Washougal to Illingen | 5,206.22 mi (8,378.61 km) |
| Washougal to Ilmenau | 5,223.52 mi (8,406.45 km) |
| Washougal to Ilsede | 5,114.04 mi (8,230.26 km) |
| Washougal to Ilsenburg | 5,148.75 mi (8,286.11 km) |
| Washougal to Ilsfeld | 5,279.50 mi (8,496.54 km) |
| Washougal to Ilvesheim | 5,238.29 mi (8,430.22 km) |
| Washougal to Immenstadt im Allgau | 5,389.90 mi (8,674.21 km) |
| Washougal to Ingelheim | 5,196.76 mi (8,363.37 km) |
| Washougal to Ingolstadt | 5,348.51 mi (8,607.59 km) |
| Washougal to Iserlohn | 5,106.31 mi (8,217.81 km) |
| Washougal to Isernhagen-Sud | 5,096.88 mi (8,202.64 km) |
| Washougal to Ismaning | 5,386.12 mi (8,668.12 km) |
