| Gravesend to Ifield | 33.20 mi (53.43 km) |
| Gravesend to Ilford | 14.56 mi (23.44 km) |
| Gravesend to Ilfracombe | 194.44 mi (312.92 km) |
| Gravesend to Ilkeston | 127.32 mi (204.90 km) |
| Gravesend to Ilkley | 194.56 mi (313.11 km) |
| Gravesend to Immingham | 152.11 mi (244.80 km) |
| Gravesend to Ince-in-Makerfield | 191.31 mi (307.88 km) |
| Gravesend to Inverness | 455.79 mi (733.53 km) |
| Gravesend to Inverurie | 418.21 mi (673.05 km) |
| Gravesend to Ipswich | 54.37 mi (87.50 km) |
| Gravesend to Irlam | 181.56 mi (292.19 km) |
| Gravesend to Irthlingborough | 73.98 mi (119.07 km) |
| Gravesend to Irvine | 354.80 mi (571.00 km) |
| Gravesend to Islington | 21.47 mi (34.56 km) |
| Gravesend to Iver | 38.07 mi (61.27 km) |
