| Sisak to Ifield | 853.23 mi (1,373.15 km) |
| Sisak to Ilford | 852.66 mi (1,372.23 km) |
| Sisak to Ilfracombe | 1,016.49 mi (1,635.88 km) |
| Sisak to Ilkeston | 946.92 mi (1,523.91 km) |
| Sisak to Ilkley | 995.83 mi (1,602.63 km) |
| Sisak to Immingham | 928.23 mi (1,493.85 km) |
| Sisak to Ince-in-Makerfield | 1,012.04 mi (1,628.72 km) |
| Sisak to Inverness | 1,204.35 mi (1,938.21 km) |
| Sisak to Inverurie | 1,140.74 mi (1,835.85 km) |
| Sisak to Ipswich | 826.05 mi (1,329.40 km) |
| Sisak to Irlam | 1,002.64 mi (1,613.59 km) |
| Sisak to Irthlingborough | 901.41 mi (1,450.68 km) |
| Sisak to Irvine | 1,151.20 mi (1,852.67 km) |
| Sisak to Islington | 859.77 mi (1,383.66 km) |
| Sisak to Iver | 875.25 mi (1,408.58 km) |
