| Niederkassel to Cognac | 489.34 mi (787.51 km) |
| Niederkassel to Cogolin | 523.17 mi (841.96 km) |
| Niederkassel to Colmar | 189.52 mi (305.01 km) |
| Niederkassel to Colombes | 249.81 mi (402.03 km) |
| Niederkassel to Colomiers | 564.53 mi (908.52 km) |
| Niederkassel to Combs-la-Ville | 248.71 mi (400.25 km) |
| Niederkassel to Comines | 175.85 mi (283.01 km) |
| Niederkassel to Compiegne | 210.14 mi (338.18 km) |
| Niederkassel to Concarneau | 532.59 mi (857.12 km) |
| Niederkassel to Conde-sur-l'Escaut | 152.98 mi (246.20 km) |
| Niederkassel to Conflans-Sainte-Honorine | 252.89 mi (406.98 km) |
| Niederkassel to Corbas | 368.96 mi (593.79 km) |
| Niederkassel to Corbeil-Essonnes | 253.91 mi (408.62 km) |
| Niederkassel to Cormeilles-en-Parisis | 249.85 mi (402.10 km) |
| Niederkassel to Cosne sur Loire | 299.76 mi (482.42 km) |
