| Owings Mills to Carrollwood (Florida) | 850.11 mi (1,368.13 km) |
| Owings Mills to Carson (California) | 2,310.73 mi (3,718.77 km) |
| Owings Mills to Carson City (Nevada) | 2,275.18 mi (3,661.55 km) |
| Owings Mills to Carteret (New Jersey) | 158.02 mi (254.32 km) |
| Owings Mills to Cartersville (Georgia) | 572.17 mi (920.82 km) |
| Owings Mills to Carthage (Missouri) | 962.00 mi (1,548.20 km) |
| Owings Mills to Cary (Illinois) | 629.08 mi (1,012.41 km) |
| Owings Mills to Cary (North Carolina) | 274.24 mi (441.35 km) |
| Owings Mills to Casa de Oro-Mount Helix (California) | 2,270.53 mi (3,654.06 km) |
| Owings Mills to Casa Grande (Arizona) | 1,988.76 mi (3,200.59 km) |
| Owings Mills to Casas Adobes (Arizona) | 1,964.34 mi (3,161.30 km) |
| Owings Mills to Cascades (Virginia) | 40.67 mi (65.46 km) |
| Owings Mills to Casper (Wyoming) | 1,546.91 mi (2,489.51 km) |
| Owings Mills to Casselberry (Florida) | 786.38 mi (1,265.56 km) |
| Owings Mills to Castaic (California) | 2,314.49 mi (3,724.81 km) |
