| Diepholz to Cognac | 617.67 mi (994.04 km) |
| Diepholz to Cogolin | 651.88 mi (1,049.11 km) |
| Diepholz to Colmar | 315.86 mi (508.33 km) |
| Diepholz to Colombes | 368.92 mi (593.73 km) |
| Diepholz to Colomiers | 700.23 mi (1,126.91 km) |
| Diepholz to Combs-la-Ville | 372.39 mi (599.30 km) |
| Diepholz to Comines | 262.69 mi (422.76 km) |
| Diepholz to Compiegne | 326.66 mi (525.71 km) |
| Diepholz to Concarneau | 632.67 mi (1,018.18 km) |
| Diepholz to Conde-sur-l'Escaut | 253.80 mi (408.45 km) |
| Diepholz to Conflans-Sainte-Honorine | 370.12 mi (595.65 km) |
| Diepholz to Corbas | 504.29 mi (811.57 km) |
| Diepholz to Corbeil-Essonnes | 377.65 mi (607.77 km) |
| Diepholz to Cormeilles-en-Parisis | 368.05 mi (592.32 km) |
| Diepholz to Cosne sur Loire | 432.64 mi (696.27 km) |
