| Catonsville to Cognac | 3,769.15 mi (6,065.86 km) |
| Catonsville to Cogolin | 4,146.81 mi (6,673.64 km) |
| Catonsville to Colmar | 4,034.39 mi (6,492.72 km) |
| Catonsville to Colombes | 3,797.03 mi (6,110.72 km) |
| Catonsville to Colomiers | 3,901.76 mi (6,279.28 km) |
| Catonsville to Combs-la-Ville | 3,816.58 mi (6,142.19 km) |
| Catonsville to Comines | 3,781.92 mi (6,086.42 km) |
| Catonsville to Compiegne | 3,808.34 mi (6,128.93 km) |
| Catonsville to Concarneau | 3,556.98 mi (5,724.40 km) |
| Catonsville to Conde-sur-l'Escaut | 3,813.57 mi (6,137.35 km) |
| Catonsville to Conflans-Sainte-Honorine | 3,788.60 mi (6,097.17 km) |
| Catonsville to Corbas | 4,000.77 mi (6,438.62 km) |
| Catonsville to Corbeil-Essonnes | 3,814.74 mi (6,139.24 km) |
| Catonsville to Cormeilles-en-Parisis | 3,793.59 mi (6,105.20 km) |
| Catonsville to Cosne sur Loire | 3,865.69 mi (6,221.23 km) |
