| Owings Mills to Cadiz | 3,743.47 mi (6,024.54 km) |
| Owings Mills to Calafell | 3,981.41 mi (6,407.46 km) |
| Owings Mills to Calahorra | 3,784.17 mi (6,090.03 km) |
| Owings Mills to Calasparra | 3,917.56 mi (6,304.71 km) |
| Owings Mills to Calatayud | 3,826.98 mi (6,158.93 km) |
| Owings Mills to Caldas de Montbuy | 3,995.91 mi (6,430.80 km) |
| Owings Mills to Caldas de Reyes | 3,461.90 mi (5,571.39 km) |
| Owings Mills to Calella | 4,019.36 mi (6,468.53 km) |
| Owings Mills to Callosa de Segura | 3,960.67 mi (6,374.09 km) |
| Owings Mills to Calpe | 3,988.75 mi (6,419.27 km) |
| Owings Mills to Calvia | 4,076.63 mi (6,560.69 km) |
| Owings Mills to Camas | 3,730.48 mi (6,003.63 km) |
| Owings Mills to Cambados | 3,456.73 mi (5,563.07 km) |
| Owings Mills to Cambre | 3,459.79 mi (5,568.00 km) |
| Owings Mills to Cambrils | 3,961.56 mi (6,375.52 km) |
