| Boppard to Coin | 1,119.94 mi (1,802.36 km) |
| Boppard to Colindres | 702.57 mi (1,130.67 km) |
| Boppard to Collado-Villalba | 867.47 mi (1,396.05 km) |
| Boppard to Colmenar Viejo | 858.55 mi (1,381.71 km) |
| Boppard to Colmenarejo | 871.78 mi (1,402.99 km) |
| Boppard to Conil de la Frontera | 1,181.05 mi (1,900.72 km) |
| Boppard to Consuegra | 922.26 mi (1,484.23 km) |
| Boppard to Corbera de Llobregat | 666.72 mi (1,072.98 km) |
| Boppard to Cordoba | 1,048.21 mi (1,686.93 km) |
| Boppard to Coria del Rio | 1,120.40 mi (1,803.11 km) |
| Boppard to Crevillente | 925.08 mi (1,488.77 km) |
| Boppard to Cuarte de Huerva | 723.07 mi (1,163.67 km) |
| Boppard to Cubellas | 685.03 mi (1,102.44 km) |
| Boppard to Cuellar | 835.20 mi (1,344.12 km) |
| Boppard to Cuenca | 846.10 mi (1,361.67 km) |
