| Oeiras to Cognac | 667.33 mi (1,073.97 km) |
| Oeiras to Cogolin | 883.23 mi (1,421.42 km) |
| Oeiras to Colmar | 1,055.69 mi (1,698.96 km) |
| Oeiras to Colombes | 910.79 mi (1,465.77 km) |
| Oeiras to Colomiers | 649.82 mi (1,045.78 km) |
| Oeiras to Combs-la-Ville | 907.98 mi (1,461.25 km) |
| Oeiras to Comines | 1,027.81 mi (1,654.11 km) |
| Oeiras to Compiegne | 953.17 mi (1,533.98 km) |
| Oeiras to Concarneau | 690.27 mi (1,110.89 km) |
| Oeiras to Conde-sur-l'Escaut | 1,028.67 mi (1,655.48 km) |
| Oeiras to Conflans-Sainte-Honorine | 909.84 mi (1,464.25 km) |
| Oeiras to Corbas | 871.47 mi (1,402.50 km) |
| Oeiras to Corbeil-Essonnes | 902.72 mi (1,452.78 km) |
| Oeiras to Cormeilles-en-Parisis | 911.74 mi (1,467.31 km) |
| Oeiras to Cosne sur Loire | 861.57 mi (1,386.56 km) |
