| Boppard to Cognac | 481.69 mi (775.20 km) |
| Boppard to Cogolin | 484.79 mi (780.19 km) |
| Boppard to Colmar | 148.91 mi (239.65 km) |
| Boppard to Colombes | 255.60 mi (411.36 km) |
| Boppard to Colomiers | 543.76 mi (875.11 km) |
| Boppard to Combs-la-Ville | 250.33 mi (402.87 km) |
| Boppard to Comines | 204.70 mi (329.43 km) |
| Boppard to Compiegne | 219.84 mi (353.80 km) |
| Boppard to Concarneau | 545.35 mi (877.65 km) |
| Boppard to Conde-sur-l'Escaut | 177.02 mi (284.88 km) |
| Boppard to Conflans-Sainte-Honorine | 260.13 mi (418.64 km) |
| Boppard to Corbas | 338.90 mi (545.41 km) |
| Boppard to Corbeil-Essonnes | 255.29 mi (410.84 km) |
| Boppard to Cormeilles-en-Parisis | 256.42 mi (412.67 km) |
| Boppard to Cosne sur Loire | 288.08 mi (463.61 km) |
