| Seaford to Ickenham | 59.40 mi (95.60 km) |
| Seaford to Ifield | 27.84 mi (44.81 km) |
| Seaford to Ilford | 54.41 mi (87.57 km) |
| Seaford to Ilfracombe | 185.99 mi (299.32 km) |
| Seaford to Ilkeston | 163.51 mi (263.15 km) |
| Seaford to Ilkley | 232.57 mi (374.29 km) |
| Seaford to Immingham | 196.96 mi (316.97 km) |
| Seaford to Ince-in-Makerfield | 222.95 mi (358.81 km) |
| Seaford to Inverness | 495.19 mi (796.94 km) |
| Seaford to Inverurie | 460.84 mi (741.65 km) |
| Seaford to Ipswich | 100.03 mi (160.98 km) |
| Seaford to Irlam | 213.54 mi (343.66 km) |
| Seaford to Irthlingborough | 111.67 mi (179.71 km) |
| Seaford to Irvine | 388.56 mi (625.33 km) |
| Seaford to Islington | 54.19 mi (87.22 km) |
