| Castilleja de la Cuesta to Ifield | 991.61 mi (1,595.84 km) |
| Castilleja de la Cuesta to Ilford | 1,024.09 mi (1,648.12 km) |
| Castilleja de la Cuesta to Ilfracombe | 959.86 mi (1,544.75 km) |
| Castilleja de la Cuesta to Ilkeston | 1,100.87 mi (1,771.68 km) |
| Castilleja de la Cuesta to Ilkley | 1,160.49 mi (1,867.64 km) |
| Castilleja de la Cuesta to Immingham | 1,155.48 mi (1,859.56 km) |
| Castilleja de la Cuesta to Ince-in-Makerfield | 1,128.45 mi (1,816.07 km) |
| Castilleja de la Cuesta to Inverness | 1,390.89 mi (2,238.42 km) |
| Castilleja de la Cuesta to Inverurie | 1,384.94 mi (2,228.84 km) |
| Castilleja de la Cuesta to Ipswich | 1,072.65 mi (1,726.27 km) |
| Castilleja de la Cuesta to Irlam | 1,123.25 mi (1,807.69 km) |
| Castilleja de la Cuesta to Irthlingborough | 1,065.32 mi (1,714.47 km) |
| Castilleja de la Cuesta to Irvine | 1,261.71 mi (2,030.52 km) |
| Castilleja de la Cuesta to Islington | 1,020.56 mi (1,642.43 km) |
| Castilleja de la Cuesta to Iver | 1,013.61 mi (1,631.25 km) |
