| Brig-Glis to Ifield | 498.59 mi (802.41 km) |
| Brig-Glis to Ilford | 508.43 mi (818.24 km) |
| Brig-Glis to Ilfracombe | 644.76 mi (1,037.64 km) |
| Brig-Glis to Ilkeston | 618.38 mi (995.19 km) |
| Brig-Glis to Ilkley | 680.19 mi (1,094.66 km) |
| Brig-Glis to Immingham | 620.86 mi (999.18 km) |
| Brig-Glis to Ince-in-Makerfield | 684.14 mi (1,101.01 km) |
| Brig-Glis to Inverness | 926.93 mi (1,491.75 km) |
| Brig-Glis to Inverurie | 874.89 mi (1,408.00 km) |
| Brig-Glis to Ipswich | 501.57 mi (807.21 km) |
| Brig-Glis to Irlam | 674.33 mi (1,085.23 km) |
| Brig-Glis to Irthlingborough | 566.36 mi (911.47 km) |
| Brig-Glis to Irvine | 843.02 mi (1,356.70 km) |
| Brig-Glis to Islington | 513.84 mi (826.94 km) |
| Brig-Glis to Iver | 525.99 mi (846.49 km) |
