| Karlovac to Ifield | 820.04 mi (1,319.72 km) |
| Karlovac to Ilford | 820.37 mi (1,320.26 km) |
| Karlovac to Ilfracombe | 982.16 mi (1,580.63 km) |
| Karlovac to Ilkeston | 916.40 mi (1,474.81 km) |
| Karlovac to Ilkley | 966.68 mi (1,555.71 km) |
| Karlovac to Immingham | 899.50 mi (1,447.61 km) |
| Karlovac to Ince-in-Makerfield | 981.84 mi (1,580.12 km) |
| Karlovac to Inverness | 1,179.52 mi (1,898.26 km) |
| Karlovac to Inverurie | 1,116.76 mi (1,797.25 km) |
| Karlovac to Ipswich | 795.30 mi (1,279.91 km) |
| Karlovac to Irlam | 972.36 mi (1,564.86 km) |
| Karlovac to Irthlingborough | 870.13 mi (1,400.34 km) |
| Karlovac to Irvine | 1,123.30 mi (1,807.77 km) |
| Karlovac to Islington | 827.35 mi (1,331.50 km) |
| Karlovac to Iver | 842.61 mi (1,356.05 km) |
