| Gostyn to Ifield | 740.73 mi (1,192.09 km) |
| Gostyn to Ilford | 723.26 mi (1,163.97 km) |
| Gostyn to Ilfracombe | 906.06 mi (1,458.16 km) |
| Gostyn to Ilkeston | 773.48 mi (1,244.80 km) |
| Gostyn to Ilkley | 795.09 mi (1,279.57 km) |
| Gostyn to Immingham | 728.71 mi (1,172.74 km) |
| Gostyn to Ince-in-Makerfield | 826.23 mi (1,329.69 km) |
| Gostyn to Inverness | 927.30 mi (1,492.35 km) |
| Gostyn to Inverurie | 857.55 mi (1,380.09 km) |
| Gostyn to Ipswich | 673.76 mi (1,084.31 km) |
| Gostyn to Irlam | 818.97 mi (1,318.00 km) |
| Gostyn to Irthlingborough | 746.87 mi (1,201.98 km) |
| Gostyn to Irvine | 918.16 mi (1,477.63 km) |
| Gostyn to Islington | 731.41 mi (1,177.09 km) |
| Gostyn to Iver | 748.83 mi (1,205.12 km) |
