| Uxbridge to Ickenham | 1.75 mi (2.82 km) |
| Uxbridge to Ifield | 31.09 mi (50.03 km) |
| Uxbridge to Ilford | 24.24 mi (39.02 km) |
| Uxbridge to Ilfracombe | 158.74 mi (255.47 km) |
| Uxbridge to Ilkeston | 104.91 mi (168.83 km) |
| Uxbridge to Ilkley | 174.09 mi (280.16 km) |
| Uxbridge to Immingham | 143.68 mi (231.23 km) |
| Uxbridge to Ince-in-Makerfield | 164.41 mi (264.60 km) |
| Uxbridge to Inverness | 436.74 mi (702.86 km) |
| Uxbridge to Inverurie | 403.84 mi (649.91 km) |
| Uxbridge to Ipswich | 78.46 mi (126.27 km) |
| Uxbridge to Irlam | 154.93 mi (249.33 km) |
| Uxbridge to Irthlingborough | 54.45 mi (87.63 km) |
| Uxbridge to Irvine | 329.88 mi (530.88 km) |
| Uxbridge to Islington | 16.12 mi (25.94 km) |
