| Gaithersburg to Imola | 4,363.50 mi (7,022.38 km) |
| Gaithersburg to Impruneta | 4,366.34 mi (7,026.94 km) |
| Gaithersburg to Induno Olona | 4,190.66 mi (6,744.22 km) |
| Gaithersburg to Inverigo | 4,210.77 mi (6,776.58 km) |
| Gaithersburg to Inveruno | 4,202.01 mi (6,762.48 km) |
| Gaithersburg to Inzago | 4,228.61 mi (6,805.28 km) |
| Gaithersburg to Iseo | 4,248.87 mi (6,837.90 km) |
| Gaithersburg to Isernia | 4,570.49 mi (7,355.49 km) |
| Gaithersburg to Isola Capo Rizzuto | 4,796.41 mi (7,719.08 km) |
| Gaithersburg to Isola del Liri | 4,538.45 mi (7,303.92 km) |
| Gaithersburg to Isola della Scala | 4,302.47 mi (6,924.16 km) |
| Gaithersburg to Isola Vicentina | 4,308.96 mi (6,934.61 km) |
| Gaithersburg to Ispica | 4,781.64 mi (7,695.30 km) |
| Gaithersburg to Istrana | 4,334.72 mi (6,976.05 km) |
| Gaithersburg to Itri | 4,551.10 mi (7,324.29 km) |
