| Idanha-a-Nova to Crosby | 958.08 mi (1,541.88 km) |
| Idanha-a-Nova to Crowborough | 848.11 mi (1,364.89 km) |
| Idanha-a-Nova to Croxley Green | 873.07 mi (1,405.07 km) |
| Idanha-a-Nova to Croydon | 862.09 mi (1,387.40 km) |
| Idanha-a-Nova to Cudworth | 982.48 mi (1,581.15 km) |
| Idanha-a-Nova to Culcheth | 960.94 mi (1,546.48 km) |
| Idanha-a-Nova to Cullercoats | 1,078.07 mi (1,734.99 km) |
| Idanha-a-Nova to Cumbernauld | 1,117.24 mi (1,798.03 km) |
| Idanha-a-Nova to Cumnock | 1,082.05 mi (1,741.38 km) |
| Idanha-a-Nova to Cupar | 1,149.44 mi (1,849.84 km) |
| Idanha-a-Nova to Cwmbran | 835.55 mi (1,344.68 km) |
| Idanha-a-Nova to Dagenham | 877.25 mi (1,411.80 km) |
| Idanha-a-Nova to Dalkeith | 1,120.34 mi (1,803.02 km) |
| Idanha-a-Nova to Darfield | 980.27 mi (1,577.60 km) |
| Idanha-a-Nova to Darlaston | 908.17 mi (1,461.56 km) |
