| Grimmen to Ifield | 591.75 mi (952.34 km) |
| Grimmen to Ilford | 567.85 mi (913.87 km) |
| Grimmen to Ilfracombe | 744.55 mi (1,198.23 km) |
| Grimmen to Ilkeston | 593.39 mi (954.98 km) |
| Grimmen to Ilkley | 602.40 mi (969.47 km) |
| Grimmen to Immingham | 540.58 mi (869.97 km) |
| Grimmen to Ince-in-Makerfield | 637.76 mi (1,026.38 km) |
| Grimmen to Inverness | 707.55 mi (1,138.69 km) |
| Grimmen to Inverurie | 637.52 mi (1,025.99 km) |
| Grimmen to Ipswich | 512.50 mi (824.79 km) |
| Grimmen to Irlam | 631.75 mi (1,016.71 km) |
| Grimmen to Irthlingborough | 577.29 mi (929.06 km) |
| Grimmen to Irvine | 709.62 mi (1,142.02 km) |
| Grimmen to Islington | 575.67 mi (926.45 km) |
| Grimmen to Iver | 592.29 mi (953.19 km) |
