| Owings Mills to Conyers (Georgia) | 563.23 mi (906.44 km) |
| Owings Mills to Cookeville (Tennessee) | 526.54 mi (847.38 km) |
| Owings Mills to Coolidge (Arizona) | 1,975.32 mi (3,178.96 km) |
| Owings Mills to Coon Rapids (Minnesota) | 931.12 mi (1,498.49 km) |
| Owings Mills to Cooper City (Florida) | 945.30 mi (1,521.31 km) |
| Owings Mills to Coos Bay (Oregon) | 2,440.95 mi (3,928.33 km) |
| Owings Mills to Copiague (New York) | 199.72 mi (321.43 km) |
| Owings Mills to Coppell (Texas) | 1,207.93 mi (1,943.97 km) |
| Owings Mills to Copperas Cove (Texas) | 1,317.80 mi (2,120.79 km) |
| Owings Mills to Coral Gables (Florida) | 968.33 mi (1,558.38 km) |
| Owings Mills to Coral Springs (Florida) | 929.81 mi (1,496.38 km) |
| Owings Mills to Coral Terrace (Florida) | 965.84 mi (1,554.37 km) |
| Owings Mills to Coralville (Iowa) | 792.07 mi (1,274.71 km) |
| Owings Mills to Coram (New York) | 224.21 mi (360.83 km) |
| Owings Mills to Corcoran (California) | 2,326.11 mi (3,743.51 km) |
