| South River to Ickenham | 3,473.79 mi (5,590.53 km) |
| South River to Ifield | 3,493.10 mi (5,621.60 km) |
| South River to Ilford | 3,495.60 mi (5,625.63 km) |
| South River to Ilfracombe | 3,329.52 mi (5,358.35 km) |
| South River to Ilkeston | 3,410.15 mi (5,488.10 km) |
| South River to Ilkley | 3,371.89 mi (5,426.54 km) |
| South River to Immingham | 3,440.76 mi (5,537.37 km) |
| South River to Ince-in-Makerfield | 3,348.17 mi (5,388.37 km) |
| South River to Inverness | 3,226.22 mi (5,192.10 km) |
| South River to Inverurie | 3,296.27 mi (5,304.84 km) |
| South River to Ipswich | 3,527.92 mi (5,677.64 km) |
| South River to Irlam | 3,356.91 mi (5,402.43 km) |
| South River to Irthlingborough | 3,450.99 mi (5,553.83 km) |
| South River to Irvine | 3,234.53 mi (5,205.47 km) |
| South River to Islington | 3,488.21 mi (5,613.73 km) |
