| Marshall to Ickenham | 4,651.37 mi (7,485.66 km) |
| Marshall to Ifield | 4,673.27 mi (7,520.90 km) |
| Marshall to Ilford | 4,672.27 mi (7,519.30 km) |
| Marshall to Ilfracombe | 4,515.24 mi (7,266.58 km) |
| Marshall to Ilkeston | 4,578.80 mi (7,368.86 km) |
| Marshall to Ilkley | 4,533.84 mi (7,296.50 km) |
| Marshall to Immingham | 4,602.52 mi (7,407.03 km) |
| Marshall to Ince-in-Makerfield | 4,514.47 mi (7,265.34 km) |
| Marshall to Inverness | 4,359.51 mi (7,015.95 km) |
| Marshall to Inverurie | 4,428.79 mi (7,127.44 km) |
| Marshall to Ipswich | 4,699.12 mi (7,562.50 km) |
| Marshall to Irlam | 4,523.68 mi (7,280.16 km) |
| Marshall to Irthlingborough | 4,623.34 mi (7,440.55 km) |
| Marshall to Irvine | 4,386.25 mi (7,058.98 km) |
| Marshall to Islington | 4,665.29 mi (7,508.07 km) |
