| Caldicot to Ifield | 114.33 mi (183.99 km) |
| Caldicot to Ilford | 121.75 mi (195.94 km) |
| Caldicot to Ilfracombe | 64.74 mi (104.20 km) |
| Caldicot to Ilkeston | 113.12 mi (182.05 km) |
| Caldicot to Ilkley | 165.85 mi (266.92 km) |
| Caldicot to Immingham | 175.52 mi (282.47 km) |
| Caldicot to Ince-in-Makerfield | 134.82 mi (216.98 km) |
| Caldicot to Inverness | 410.99 mi (661.43 km) |
| Caldicot to Inverurie | 393.35 mi (633.04 km) |
| Caldicot to Ipswich | 169.84 mi (273.33 km) |
| Caldicot to Irlam | 128.84 mi (207.34 km) |
| Caldicot to Irthlingborough | 104.06 mi (167.47 km) |
| Caldicot to Irvine | 289.18 mi (465.39 km) |
| Caldicot to Islington | 113.70 mi (182.99 km) |
| Caldicot to Iver | 96.44 mi (155.20 km) |
