| Ardea to Ifield | 892.69 mi (1,436.65 km) |
| Ardea to Ilford | 904.15 mi (1,455.09 km) |
| Ardea to Ilfracombe | 1,030.09 mi (1,657.77 km) |
| Ardea to Ilkeston | 1,014.83 mi (1,633.21 km) |
| Ardea to Ilkley | 1,076.75 mi (1,732.86 km) |
| Ardea to Immingham | 1,016.87 mi (1,636.49 km) |
| Ardea to Ince-in-Makerfield | 1,080.46 mi (1,738.83 km) |
| Ardea to Inverness | 1,321.20 mi (2,126.26 km) |
| Ardea to Inverurie | 1,266.96 mi (2,038.98 km) |
| Ardea to Ipswich | 898.09 mi (1,445.34 km) |
| Ardea to Irlam | 1,070.65 mi (1,723.05 km) |
| Ardea to Irthlingborough | 962.61 mi (1,549.17 km) |
| Ardea to Irvine | 1,239.57 mi (1,994.89 km) |
| Ardea to Islington | 909.30 mi (1,463.37 km) |
| Ardea to Iver | 920.82 mi (1,481.92 km) |
