| Owings Mills to Cloverleaf (Texas) | 1,235.17 mi (1,987.82 km) |
| Owings Mills to Cloverly (Maryland) | 23.84 mi (38.37 km) |
| Owings Mills to Clovis (California) | 2,316.37 mi (3,727.84 km) |
| Owings Mills to Clovis (New Mexico) | 1,492.41 mi (2,401.81 km) |
| Owings Mills to Clute (Texas) | 1,278.44 mi (2,057.45 km) |
| Owings Mills to Coachella (California) | 2,201.87 mi (3,543.57 km) |
| Owings Mills to Coalinga (California) | 2,365.11 mi (3,806.27 km) |
| Owings Mills to Coamo (Puerto Rico) | 1,600.92 mi (2,576.42 km) |
| Owings Mills to Coatesville (Pennsylvania) | 65.08 mi (104.74 km) |
| Owings Mills to Cockeysville (Maryland) | 9.86 mi (15.87 km) |
| Owings Mills to Cocoa (Florida) | 795.21 mi (1,279.77 km) |
| Owings Mills to Cocoa Beach (Florida) | 796.25 mi (1,281.44 km) |
| Owings Mills to Coconut Creek (Florida) | 928.20 mi (1,493.79 km) |
| Owings Mills to Coeur d'Alene (Idaho) | 2,057.99 mi (3,312.01 km) |
| Owings Mills to Cohoes (New York) | 282.32 mi (454.35 km) |
