| Formia to Ifield | 946.16 mi (1,522.70 km) |
| Formia to Ilford | 956.66 mi (1,539.60 km) |
| Formia to Ilfracombe | 1,086.08 mi (1,747.88 km) |
| Formia to Ilkeston | 1,066.42 mi (1,716.24 km) |
| Formia to Ilkley | 1,127.38 mi (1,814.34 km) |
| Formia to Immingham | 1,066.45 mi (1,716.28 km) |
| Formia to Ince-in-Makerfield | 1,132.29 mi (1,822.24 km) |
| Formia to Inverness | 1,368.93 mi (2,203.08 km) |
| Formia to Inverurie | 1,313.42 mi (2,113.75 km) |
| Formia to Ipswich | 948.66 mi (1,526.73 km) |
| Formia to Irlam | 1,122.48 mi (1,806.45 km) |
| Formia to Irthlingborough | 1,014.57 mi (1,632.79 km) |
| Formia to Irvine | 1,290.07 mi (2,076.16 km) |
| Formia to Islington | 962.01 mi (1,548.20 km) |
| Formia to Iver | 973.93 mi (1,567.39 km) |
