| Barstow to Ickenham | 5,342.94 mi (8,598.63 km) |
| Barstow to Ifield | 5,370.59 mi (8,643.13 km) |
| Barstow to Ilford | 5,360.17 mi (8,626.36 km) |
| Barstow to Ilfracombe | 5,237.22 mi (8,428.49 km) |
| Barstow to Ilkeston | 5,251.59 mi (8,451.61 km) |
| Barstow to Ilkley | 5,192.97 mi (8,357.28 km) |
| Barstow to Immingham | 5,256.76 mi (8,459.94 km) |
| Barstow to Ince-in-Makerfield | 5,185.45 mi (8,345.18 km) |
| Barstow to Inverness | 4,966.81 mi (7,993.31 km) |
| Barstow to Inverurie | 5,029.38 mi (8,094.00 km) |
| Barstow to Ipswich | 5,370.99 mi (8,643.77 km) |
| Barstow to Irlam | 5,195.25 mi (8,360.95 km) |
| Barstow to Irthlingborough | 5,302.82 mi (8,534.07 km) |
| Barstow to Irvine | 5,031.47 mi (8,097.38 km) |
| Barstow to Islington | 5,354.72 mi (8,617.60 km) |
