| Silleda to Ifield | 693.51 mi (1,116.10 km) |
| Silleda to Ilford | 725.23 mi (1,167.14 km) |
| Silleda to Ilfracombe | 618.77 mi (995.82 km) |
| Silleda to Ilkeston | 778.07 mi (1,252.18 km) |
| Silleda to Ilkley | 828.81 mi (1,333.84 km) |
| Silleda to Immingham | 838.46 mi (1,349.38 km) |
| Silleda to Ince-in-Makerfield | 792.17 mi (1,274.87 km) |
| Silleda to Inverness | 1,035.94 mi (1,667.19 km) |
| Silleda to Inverurie | 1,039.45 mi (1,672.84 km) |
| Silleda to Ipswich | 780.35 mi (1,255.86 km) |
| Silleda to Irlam | 788.74 mi (1,269.36 km) |
| Silleda to Irthlingborough | 753.08 mi (1,211.97 km) |
| Silleda to Irvine | 906.86 mi (1,459.44 km) |
| Silleda to Islington | 719.78 mi (1,158.37 km) |
| Silleda to Iver | 708.65 mi (1,140.46 km) |
