| Southchase to Ickenham | 4,333.28 mi (6,973.74 km) |
| Southchase to Ifield | 4,349.86 mi (7,000.43 km) |
| Southchase to Ilford | 4,355.70 mi (7,009.83 km) |
| Southchase to Ilfracombe | 4,182.41 mi (6,730.95 km) |
| Southchase to Ilkeston | 4,278.20 mi (6,885.09 km) |
| Southchase to Ilkley | 4,245.58 mi (6,832.61 km) |
| Southchase to Immingham | 4,313.91 mi (6,942.56 km) |
| Southchase to Ince-in-Makerfield | 4,218.77 mi (6,789.46 km) |
| Southchase to Inverness | 4,118.84 mi (6,628.63 km) |
| Southchase to Inverurie | 4,188.68 mi (6,741.03 km) |
| Southchase to Ipswich | 4,392.60 mi (7,069.20 km) |
| Southchase to Irlam | 4,227.04 mi (6,802.77 km) |
| Southchase to Irthlingborough | 4,315.47 mi (6,945.08 km) |
| Southchase to Irvine | 4,116.63 mi (6,625.07 km) |
| Southchase to Islington | 4,348.00 mi (6,997.43 km) |
