| Washougal to Imola | 5,617.10 mi (9,039.85 km) |
| Washougal to Impruneta | 5,645.10 mi (9,084.92 km) |
| Washougal to Induno Olona | 5,455.48 mi (8,779.75 km) |
| Washougal to Inverigo | 5,472.18 mi (8,806.62 km) |
| Washougal to Inveruno | 5,475.35 mi (8,811.73 km) |
| Washougal to Inzago | 5,490.73 mi (8,836.48 km) |
| Washougal to Iseo | 5,497.93 mi (8,848.07 km) |
| Washougal to Isernia | 5,845.38 mi (9,407.23 km) |
| Washougal to Isola Capo Rizzuto | 6,077.31 mi (9,780.48 km) |
| Washougal to Isola del Liri | 5,824.01 mi (9,372.85 km) |
| Washougal to Isola della Scala | 5,545.06 mi (8,923.91 km) |
| Washougal to Isola Vicentina | 5,534.45 mi (8,906.83 km) |
| Washougal to Ispica | 6,154.63 mi (9,904.92 km) |
| Washougal to Istrana | 5,547.48 mi (8,927.81 km) |
| Washougal to Itri | 5,846.88 mi (9,409.65 km) |
