| Troy to Ickenham | 3,729.20 mi (6,001.57 km) |
| Troy to Ifield | 3,751.58 mi (6,037.59 km) |
| Troy to Ilford | 3,749.91 mi (6,034.90 km) |
| Troy to Ilfracombe | 3,595.13 mi (5,785.81 km) |
| Troy to Ilkeston | 3,655.34 mi (5,882.70 km) |
| Troy to Ilkley | 3,609.72 mi (5,809.28 km) |
| Troy to Immingham | 3,678.34 mi (5,919.71 km) |
| Troy to Ince-in-Makerfield | 3,590.79 mi (5,778.82 km) |
| Troy to Inverness | 3,434.91 mi (5,527.96 km) |
| Troy to Inverurie | 3,504.26 mi (5,639.56 km) |
| Troy to Ipswich | 3,775.87 mi (6,076.68 km) |
| Troy to Irlam | 3,600.05 mi (5,793.72 km) |
| Troy to Irthlingborough | 3,700.34 mi (5,955.12 km) |
| Troy to Irvine | 3,461.60 mi (5,570.91 km) |
| Troy to Islington | 3,743.02 mi (6,023.81 km) |
