| Catonsville to Corato | 4,655.96 mi (7,493.04 km) |
| Catonsville to Corbetta | 4,180.89 mi (6,728.50 km) |
| Catonsville to Corciano | 4,404.55 mi (7,088.44 km) |
| Catonsville to Cordenons | 4,324.44 mi (6,959.51 km) |
| Catonsville to Cori | 4,484.80 mi (7,217.60 km) |
| Catonsville to Coriano | 4,389.26 mi (7,063.84 km) |
| Catonsville to Corigliano Calabro | 4,720.07 mi (7,596.22 km) |
| Catonsville to Corleone | 4,642.69 mi (7,471.69 km) |
| Catonsville to Cormano | 4,188.96 mi (6,741.48 km) |
| Catonsville to Cornaredo | 4,184.84 mi (6,734.85 km) |
| Catonsville to Cornate d'Adda | 4,198.60 mi (6,756.99 km) |
| Catonsville to Cornedo Vicentino | 4,279.86 mi (6,887.76 km) |
| Catonsville to Correggio | 4,283.78 mi (6,894.08 km) |
| Catonsville to Corridonia | 4,453.92 mi (7,167.89 km) |
| Catonsville to Corsico | 4,190.55 mi (6,744.04 km) |
