| Owings Mills to Carlsbad (California) | 2,277.57 mi (3,665.39 km) |
| Owings Mills to Carlsbad (New Mexico) | 1,603.38 mi (2,580.39 km) |
| Owings Mills to Carmel (Indiana) | 498.62 mi (802.45 km) |
| Owings Mills to Carmichael (California) | 2,366.49 mi (3,808.49 km) |
| Owings Mills to Carney (Maryland) | 14.30 mi (23.02 km) |
| Owings Mills to Carnot-Moon (Pennsylvania) | 196.90 mi (316.88 km) |
| Owings Mills to Carol Stream (Illinois) | 618.47 mi (995.34 km) |
| Owings Mills to Carolina (Puerto Rico) | 1,588.91 mi (2,557.10 km) |
| Owings Mills to Carolina Forest (South Carolina) | 407.46 mi (655.75 km) |
| Owings Mills to Carpentersville (Illinois) | 629.60 mi (1,013.24 km) |
| Owings Mills to Carpinteria (California) | 2,363.42 mi (3,803.55 km) |
| Owings Mills to Carrboro (North Carolina) | 271.59 mi (437.08 km) |
| Owings Mills to Carroll (Iowa) | 961.88 mi (1,548.00 km) |
| Owings Mills to Carrollton (Georgia) | 611.37 mi (983.91 km) |
| Owings Mills to Carrollton (Texas) | 1,202.48 mi (1,935.20 km) |
