| Owings Mills to Carmona | 3,748.32 mi (6,032.34 km) |
| Owings Mills to Cartagena | 3,972.23 mi (6,392.69 km) |
| Owings Mills to Cartama | 3,820.92 mi (6,149.18 km) |
| Owings Mills to Cartaya | 3,678.62 mi (5,920.16 km) |
| Owings Mills to Caspe | 3,905.55 mi (6,285.38 km) |
| Owings Mills to Cassa de la Selva | 4,020.61 mi (6,470.55 km) |
| Owings Mills to Castalla | 3,955.89 mi (6,366.38 km) |
| Owings Mills to Castellbisbal | 3,992.12 mi (6,424.70 km) |
| Owings Mills to Castelldefels | 3,997.92 mi (6,434.03 km) |
| Owings Mills to Castello de Ampurias | 4,018.43 mi (6,467.04 km) |
| Owings Mills to Castellon de la Plana | 3,943.43 mi (6,346.33 km) |
| Owings Mills to Castilleja de la Cuesta | 3,730.21 mi (6,003.19 km) |
| Owings Mills to Catarroja | 3,943.61 mi (6,346.63 km) |
| Owings Mills to Catral | 3,963.13 mi (6,378.04 km) |
| Owings Mills to Caudete | 3,937.25 mi (6,336.39 km) |
