| Forfar to Ifield | 396.69 mi (638.41 km) |
| Forfar to Ilford | 371.45 mi (597.79 km) |
| Forfar to Ilfracombe | 378.92 mi (609.81 km) |
| Forfar to Ilkeston | 261.45 mi (420.77 km) |
| Forfar to Ilkley | 192.50 mi (309.80 km) |
| Forfar to Immingham | 234.40 mi (377.23 km) |
| Forfar to Ince-in-Makerfield | 214.77 mi (345.64 km) |
| Forfar to Inverness | 76.40 mi (122.96 km) |
| Forfar to Inverurie | 47.92 mi (77.12 km) |
| Forfar to Ipswich | 356.04 mi (572.99 km) |
| Forfar to Irlam | 221.81 mi (356.97 km) |
| Forfar to Irthlingborough | 312.10 mi (502.28 km) |
| Forfar to Irvine | 98.32 mi (158.22 km) |
| Forfar to Islington | 369.95 mi (595.37 km) |
| Forfar to Iver | 366.84 mi (590.38 km) |
