| Postojna to Ifield | 755.29 mi (1,215.52 km) |
| Postojna to Ilford | 756.49 mi (1,217.46 km) |
| Postojna to Ilfracombe | 916.35 mi (1,474.72 km) |
| Postojna to Ilkeston | 854.31 mi (1,374.88 km) |
| Postojna to Ilkley | 906.06 mi (1,458.17 km) |
| Postojna to Immingham | 839.46 mi (1,350.98 km) |
| Postojna to Ince-in-Makerfield | 920.03 mi (1,480.64 km) |
| Postojna to Inverness | 1,123.95 mi (1,808.82 km) |
| Postojna to Inverurie | 1,062.33 mi (1,709.66 km) |
| Postojna to Ipswich | 733.07 mi (1,179.77 km) |
| Postojna to Irlam | 910.48 mi (1,465.28 km) |
| Postojna to Irthlingborough | 807.26 mi (1,299.15 km) |
| Postojna to Irvine | 1,064.00 mi (1,712.35 km) |
| Postojna to Islington | 763.36 mi (1,228.51 km) |
| Postojna to Iver | 778.38 mi (1,252.68 km) |
