| Sumter to Ickenham | 4,019.39 mi (6,468.58 km) |
| Sumter to Ifield | 4,037.75 mi (6,498.13 km) |
| Sumter to Ilford | 4,041.44 mi (6,504.07 km) |
| Sumter to Ilfracombe | 3,872.53 mi (6,232.24 km) |
| Sumter to Ilkeston | 3,958.62 mi (6,370.78 km) |
| Sumter to Ilkley | 3,922.16 mi (6,312.11 km) |
| Sumter to Immingham | 3,990.92 mi (6,422.77 km) |
| Sumter to Ince-in-Makerfield | 3,897.42 mi (6,272.30 km) |
| Sumter to Inverness | 3,781.66 mi (6,085.99 km) |
| Sumter to Inverurie | 3,851.70 mi (6,198.71 km) |
| Sumter to Ipswich | 4,075.38 mi (6,558.69 km) |
| Sumter to Irlam | 3,906.02 mi (6,286.13 km) |
| Sumter to Irthlingborough | 3,998.30 mi (6,434.64 km) |
| Sumter to Irvine | 3,787.22 mi (6,094.95 km) |
| Sumter to Islington | 4,033.93 mi (6,491.98 km) |
