| Knottingley to Carmona | 1,141.26 mi (1,836.68 km) |
| Knottingley to Cartagena | 1,112.82 mi (1,790.91 km) |
| Knottingley to Cartama | 1,185.28 mi (1,907.53 km) |
| Knottingley to Cartaya | 1,169.07 mi (1,881.44 km) |
| Knottingley to Caspe | 863.55 mi (1,389.74 km) |
| Knottingley to Cassa de la Selva | 838.15 mi (1,348.87 km) |
| Knottingley to Castalla | 1,044.24 mi (1,680.54 km) |
| Knottingley to Castellbisbal | 857.97 mi (1,380.77 km) |
| Knottingley to Castelldefels | 871.36 mi (1,402.31 km) |
| Knottingley to Castello de Ampurias | 815.39 mi (1,312.25 km) |
| Knottingley to Castellon de la Plana | 949.79 mi (1,528.55 km) |
| Knottingley to Castilleja de la Cuesta | 1,150.74 mi (1,851.93 km) |
| Knottingley to Catarroja | 988.98 mi (1,591.61 km) |
| Knottingley to Catral | 1,074.30 mi (1,728.92 km) |
| Knottingley to Caudete | 1,036.51 mi (1,668.11 km) |
