| Opalenica to Cognac | 882.69 mi (1,420.55 km) |
| Opalenica to Cogolin | 774.41 mi (1,246.29 km) |
| Opalenica to Colmar | 495.18 mi (796.91 km) |
| Opalenica to Colombes | 662.08 mi (1,065.51 km) |
| Opalenica to Colomiers | 917.33 mi (1,476.31 km) |
| Opalenica to Combs-la-Ville | 657.49 mi (1,058.13 km) |
| Opalenica to Comines | 585.10 mi (941.63 km) |
| Opalenica to Compiegne | 624.38 mi (1,004.84 km) |
| Opalenica to Concarneau | 948.13 mi (1,525.87 km) |
| Opalenica to Conde-sur-l'Escaut | 566.90 mi (912.34 km) |
| Opalenica to Conflans-Sainte-Honorine | 666.10 mi (1,071.98 km) |
| Opalenica to Corbas | 693.43 mi (1,115.97 km) |
| Opalenica to Corbeil-Essonnes | 662.45 mi (1,066.11 km) |
| Opalenica to Cormeilles-en-Parisis | 662.63 mi (1,066.41 km) |
| Opalenica to Cosne sur Loire | 688.01 mi (1,107.25 km) |
