| Islington to Clacton-on-Sea | 56.17 mi (90.40 km) |
| Islington to Clay Cross | 124.82 mi (200.87 km) |
| Islington to Clayton | 170.43 mi (274.28 km) |
| Islington to Clayton le Moors | 181.37 mi (291.88 km) |
| Islington to Cleckheaton | 165.22 mi (265.90 km) |
| Islington to Cleethorpes | 138.87 mi (223.49 km) |
| Islington to Clevedon | 118.58 mi (190.84 km) |
| Islington to Clifton | 104.39 mi (167.99 km) |
| Islington to Clifton | 172.84 mi (278.17 km) |
| Islington to Cliftonville | 65.77 mi (105.84 km) |
| Islington to Clitheroe | 187.15 mi (301.19 km) |
| Islington to Clydebank | 348.34 mi (560.59 km) |
| Islington to Coalville | 97.63 mi (157.11 km) |
| Islington to Coatbridge | 338.68 mi (545.05 km) |
| Islington to Cobham | 19.87 mi (31.97 km) |
