| Bad Oeynhausen to Cartagena | 1,114.25 mi (1,793.22 km) |
| Bad Oeynhausen to Cartama | 1,254.02 mi (2,018.14 km) |
| Bad Oeynhausen to Cartaya | 1,288.13 mi (2,073.04 km) |
| Bad Oeynhausen to Caspe | 864.12 mi (1,390.67 km) |
| Bad Oeynhausen to Cassa de la Selva | 764.45 mi (1,230.26 km) |
| Bad Oeynhausen to Castalla | 1,044.14 mi (1,680.37 km) |
| Bad Oeynhausen to Castellbisbal | 807.08 mi (1,298.87 km) |
| Bad Oeynhausen to Castelldefels | 819.88 mi (1,319.46 km) |
| Bad Oeynhausen to Castello de Ampurias | 736.99 mi (1,186.07 km) |
| Bad Oeynhausen to Castellon de la Plana | 942.65 mi (1,517.05 km) |
| Bad Oeynhausen to Castilleja de la Cuesta | 1,251.01 mi (2,013.30 km) |
| Bad Oeynhausen to Catarroja | 987.29 mi (1,588.89 km) |
| Bad Oeynhausen to Catral | 1,074.82 mi (1,729.76 km) |
| Bad Oeynhausen to Caudete | 1,044.03 mi (1,680.20 km) |
| Bad Oeynhausen to Cehegin | 1,100.47 mi (1,771.04 km) |
