| Owings Mills to Corato | 4,652.20 mi (7,486.99 km) |
| Owings Mills to Corbetta | 4,176.95 mi (6,722.16 km) |
| Owings Mills to Corciano | 4,400.78 mi (7,082.37 km) |
| Owings Mills to Cordenons | 4,320.17 mi (6,952.64 km) |
| Owings Mills to Cori | 4,481.23 mi (7,211.84 km) |
| Owings Mills to Coriano | 4,385.33 mi (7,057.51 km) |
| Owings Mills to Corigliano Calabro | 4,716.54 mi (7,590.54 km) |
| Owings Mills to Corleone | 4,639.70 mi (7,466.88 km) |
| Owings Mills to Cormano | 4,184.99 mi (6,735.09 km) |
| Owings Mills to Cornaredo | 4,180.88 mi (6,728.48 km) |
| Owings Mills to Cornate d'Adda | 4,194.59 mi (6,750.55 km) |
| Owings Mills to Cornedo Vicentino | 4,275.74 mi (6,881.13 km) |
| Owings Mills to Correggio | 4,279.84 mi (6,887.74 km) |
| Owings Mills to Corridonia | 4,450.04 mi (7,161.65 km) |
| Owings Mills to Corsico | 4,186.61 mi (6,737.69 km) |
