| Watertown to Imola | 4,114.81 mi (6,622.15 km) |
| Watertown to Impruneta | 4,121.14 mi (6,632.33 km) |
| Watertown to Induno Olona | 3,940.76 mi (6,342.04 km) |
| Watertown to Inverigo | 3,960.72 mi (6,374.17 km) |
| Watertown to Inveruno | 3,953.46 mi (6,362.47 km) |
| Watertown to Inzago | 3,978.94 mi (6,403.49 km) |
| Watertown to Iseo | 3,997.77 mi (6,433.79 km) |
| Watertown to Isernia | 4,327.89 mi (6,965.07 km) |
| Watertown to Isola Capo Rizzuto | 4,558.02 mi (7,335.43 km) |
| Watertown to Isola del Liri | 4,296.84 mi (6,915.10 km) |
| Watertown to Isola della Scala | 4,051.35 mi (6,520.01 km) |
| Watertown to Isola Vicentina | 4,055.67 mi (6,526.97 km) |
| Watertown to Ispica | 4,556.36 mi (7,332.76 km) |
| Watertown to Istrana | 4,080.16 mi (6,566.39 km) |
| Watertown to Itri | 4,311.12 mi (6,938.08 km) |
