| Donostia to Ifield | 545.50 mi (877.89 km) |
| Donostia to Ilford | 577.22 mi (928.95 km) |
| Donostia to Ilfracombe | 554.10 mi (891.74 km) |
| Donostia to Ilkeston | 667.53 mi (1,074.28 km) |
| Donostia to Ilkley | 732.77 mi (1,179.28 km) |
| Donostia to Immingham | 715.74 mi (1,151.88 km) |
| Donostia to Ince-in-Makerfield | 706.71 mi (1,137.34 km) |
| Donostia to Inverness | 983.06 mi (1,582.07 km) |
| Donostia to Inverurie | 964.70 mi (1,552.53 km) |
| Donostia to Ipswich | 621.04 mi (999.47 km) |
| Donostia to Irlam | 699.86 mi (1,126.32 km) |
| Donostia to Irthlingborough | 625.30 mi (1,006.33 km) |
| Donostia to Irvine | 858.17 mi (1,381.10 km) |
| Donostia to Islington | 574.91 mi (925.22 km) |
| Donostia to Iver | 570.77 mi (918.57 km) |
