| Catonsville to Cabestany | 4,002.53 mi (6,441.44 km) |
| Catonsville to Cabries | 4,089.42 mi (6,581.28 km) |
| Catonsville to Cachan | 3,803.78 mi (6,121.59 km) |
| Catonsville to Caen | 3,679.82 mi (5,922.10 km) |
| Catonsville to Cagnes-sur-Mer | 4,161.23 mi (6,696.85 km) |
| Catonsville to Cahors | 3,882.63 mi (6,248.49 km) |
| Catonsville to Calais | 3,730.37 mi (6,003.46 km) |
| Catonsville to Caluire-et-Cuire | 3,994.64 mi (6,428.75 km) |
| Catonsville to Cambrai | 3,805.95 mi (6,125.08 km) |
| Catonsville to Canet-en-Roussillon | 4,004.71 mi (6,444.96 km) |
| Catonsville to Cannes | 4,158.80 mi (6,692.93 km) |
| Catonsville to Canteleu | 3,732.62 mi (6,007.07 km) |
| Catonsville to Capbreton | 3,774.45 mi (6,074.40 km) |
| Catonsville to Carcassonne | 3,959.65 mi (6,372.44 km) |
| Catonsville to Carmaux | 3,926.36 mi (6,318.86 km) |
