| Boppard to Campos del Puerto | 778.77 mi (1,253.31 km) |
| Boppard to Canals | 875.21 mi (1,408.52 km) |
| Boppard to Candelaria | 1,963.72 mi (3,160.31 km) |
| Boppard to Canet de Mar | 643.33 mi (1,035.34 km) |
| Boppard to Cangas | 953.22 mi (1,534.06 km) |
| Boppard to Cangas de Narcea | 826.15 mi (1,329.56 km) |
| Boppard to Canovellas | 647.14 mi (1,041.47 km) |
| Boppard to Canteras | 970.50 mi (1,561.87 km) |
| Boppard to Cantillana | 1,095.07 mi (1,762.35 km) |
| Boppard to Capdepera | 755.19 mi (1,215.35 km) |
| Boppard to Carballo | 907.57 mi (1,460.59 km) |
| Boppard to Carcagente | 862.05 mi (1,387.34 km) |
| Boppard to Cardedeu | 644.20 mi (1,036.74 km) |
| Boppard to Carlet | 857.12 mi (1,379.41 km) |
| Boppard to Carmona | 1,097.41 mi (1,766.12 km) |
