| Witham to Imola | 723.82 mi (1,164.87 km) |
| Witham to Impruneta | 745.14 mi (1,199.19 km) |
| Witham to Induno Olona | 554.20 mi (891.90 km) |
| Witham to Inverigo | 572.17 mi (920.82 km) |
| Witham to Inveruno | 572.73 mi (921.72 km) |
| Witham to Inzago | 591.03 mi (951.18 km) |
| Witham to Iseo | 602.50 mi (969.63 km) |
| Witham to Isernia | 951.73 mi (1,531.67 km) |
| Witham to Isola Capo Rizzuto | 1,188.19 mi (1,912.20 km) |
| Witham to Isola del Liri | 926.72 mi (1,491.41 km) |
| Witham to Isola della Scala | 653.61 mi (1,051.88 km) |
| Witham to Isola Vicentina | 650.26 mi (1,046.49 km) |
| Witham to Ispica | 1,249.60 mi (2,011.04 km) |
| Witham to Istrana | 670.44 mi (1,078.97 km) |
| Witham to Itri | 947.62 mi (1,525.05 km) |
