| Cadca to Ifield | 844.54 mi (1,359.15 km) |
| Cadca to Ilford | 832.75 mi (1,340.18 km) |
| Cadca to Ilfracombe | 1,013.95 mi (1,631.79 km) |
| Cadca to Ilkeston | 900.46 mi (1,449.15 km) |
| Cadca to Ilkley | 932.01 mi (1,499.92 km) |
| Cadca to Immingham | 863.56 mi (1,389.76 km) |
| Cadca to Ince-in-Makerfield | 958.79 mi (1,543.03 km) |
| Cadca to Inverness | 1,090.01 mi (1,754.20 km) |
| Cadca to Inverurie | 1,021.15 mi (1,643.38 km) |
| Cadca to Ipswich | 789.92 mi (1,271.25 km) |
| Cadca to Irlam | 950.63 mi (1,529.89 km) |
| Cadca to Irthlingborough | 866.36 mi (1,394.27 km) |
| Cadca to Irvine | 1,067.80 mi (1,718.46 km) |
| Cadca to Islington | 840.80 mi (1,353.13 km) |
| Cadca to Iver | 858.10 mi (1,380.97 km) |
