| Obidos to Ifield | 920.61 mi (1,481.58 km) |
| Obidos to Ilford | 952.80 mi (1,533.38 km) |
| Obidos to Ilfracombe | 854.07 mi (1,374.50 km) |
| Obidos to Ilkeston | 1,011.32 mi (1,627.57 km) |
| Obidos to Ilkley | 1,063.55 mi (1,711.62 km) |
| Obidos to Immingham | 1,070.89 mi (1,723.43 km) |
| Obidos to Ince-in-Makerfield | 1,027.35 mi (1,653.37 km) |
| Obidos to Inverness | 1,271.40 mi (2,046.13 km) |
| Obidos to Inverurie | 1,275.32 mi (2,052.44 km) |
| Obidos to Ipswich | 1,006.57 mi (1,619.92 km) |
| Obidos to Irlam | 1,023.73 mi (1,647.54 km) |
| Obidos to Irthlingborough | 984.12 mi (1,583.79 km) |
| Obidos to Irvine | 1,142.44 mi (1,838.58 km) |
| Obidos to Islington | 947.81 mi (1,525.36 km) |
| Obidos to Iver | 937.68 mi (1,509.05 km) |
