| Owings Mills to Castle Pines (Colorado) | 1,492.25 mi (2,401.55 km) |
| Owings Mills to Castle Rock (Colorado) | 1,492.28 mi (2,401.60 km) |
| Owings Mills to Castro Valley (California) | 2,422.89 mi (3,899.26 km) |
| Owings Mills to Catalina Foothills (Arizona) | 1,958.62 mi (3,152.09 km) |
| Owings Mills to Cataño (Puerto Rico) | 1,582.86 mi (2,547.37 km) |
| Owings Mills to Cathedral City (California) | 2,215.26 mi (3,565.12 km) |
| Owings Mills to Catonsville (Maryland) | 10.48 mi (16.87 km) |
| Owings Mills to Cave Spring (Virginia) | 230.63 mi (371.17 km) |
| Owings Mills to Cayce (South Carolina) | 444.96 mi (716.10 km) |
| Owings Mills to Cayey (Puerto Rico) | 1,603.16 mi (2,580.04 km) |
| Owings Mills to Cedar City (Utah) | 1,952.19 mi (3,141.74 km) |
| Owings Mills to Cedar Falls (Iowa) | 843.51 mi (1,357.50 km) |
| Owings Mills to Cedar Hill (Texas) | 1,218.72 mi (1,961.33 km) |
| Owings Mills to Cedar Lake (Indiana) | 576.01 mi (927.00 km) |
| Owings Mills to Cedar Mill (Oregon) | 2,349.55 mi (3,781.24 km) |
