| Owings Mills to Cibolo (Texas) | 1,391.63 mi (2,239.61 km) |
| Owings Mills to Cicero (Illinois) | 598.72 mi (963.54 km) |
| Owings Mills to Cimarron Hills (Colorado) | 1,490.17 mi (2,398.20 km) |
| Owings Mills to Cincinnati (Ohio) | 412.92 mi (664.53 km) |
| Owings Mills to Cinco Ranch (Texas) | 1,265.31 mi (2,036.33 km) |
| Owings Mills to Circleville (Ohio) | 327.63 mi (527.27 km) |
| Owings Mills to Citrus (California) | 2,284.10 mi (3,675.91 km) |
| Owings Mills to Citrus Heights (California) | 2,363.32 mi (3,803.40 km) |
| Owings Mills to Citrus Park (Florida) | 850.19 mi (1,368.25 km) |
| Owings Mills to Claiborne (Louisiana) | 981.76 mi (1,579.99 km) |
| Owings Mills to Claremont (California) | 2,274.60 mi (3,660.61 km) |
| Owings Mills to Claremont (New Hampshire) | 358.29 mi (576.61 km) |
| Owings Mills to Claremore (Oklahoma) | 1,046.50 mi (1,684.18 km) |
| Owings Mills to Clarksburg (Maryland) | 28.47 mi (45.81 km) |
| Owings Mills to Clarksburg (West Virginia) | 188.90 mi (304.00 km) |
