| Croydon to Ifield | 17.73 mi (28.54 km) |
| Croydon to Ilford | 15.30 mi (24.62 km) |
| Croydon to Ilfracombe | 173.62 mi (279.42 km) |
| Croydon to Ilkeston | 121.56 mi (195.63 km) |
| Croydon to Ilkley | 190.38 mi (306.38 km) |
| Croydon to Immingham | 154.92 mi (249.32 km) |
| Croydon to Ince-in-Makerfield | 182.76 mi (294.13 km) |
| Croydon to Inverness | 452.88 mi (728.85 km) |
| Croydon to Inverurie | 418.22 mi (673.06 km) |
| Croydon to Ipswich | 72.01 mi (115.89 km) |
| Croydon to Irlam | 173.18 mi (278.70 km) |
| Croydon to Irthlingborough | 69.16 mi (111.30 km) |
| Croydon to Irvine | 347.86 mi (559.82 km) |
| Croydon to Islington | 11.84 mi (19.05 km) |
| Croydon to Iver | 19.93 mi (32.08 km) |
