| Idil to Crosby | 2,395.62 mi (3,855.37 km) |
| Idil to Crowborough | 2,236.08 mi (3,598.63 km) |
| Idil to Croxley Green | 2,268.08 mi (3,650.13 km) |
| Idil to Croydon | 2,250.91 mi (3,622.49 km) |
| Idil to Cudworth | 2,331.25 mi (3,751.78 km) |
| Idil to Culcheth | 2,374.42 mi (3,821.26 km) |
| Idil to Cullercoats | 2,352.84 mi (3,786.53 km) |
| Idil to Cumbernauld | 2,464.28 mi (3,965.88 km) |
| Idil to Cumnock | 2,467.93 mi (3,971.75 km) |
| Idil to Cupar | 2,432.91 mi (3,915.38 km) |
| Idil to Cwmbran | 2,377.55 mi (3,826.29 km) |
| Idil to Dagenham | 2,242.02 mi (3,608.18 km) |
| Idil to Dalkeith | 2,428.16 mi (3,907.74 km) |
| Idil to Darfield | 2,329.36 mi (3,748.74 km) |
| Idil to Darlaston | 2,345.08 mi (3,774.04 km) |
