| Owings Mills to Clarksdale (Mississippi) | 841.98 mi (1,355.03 km) |
| Owings Mills to Clarkston (Georgia) | 565.62 mi (910.28 km) |
| Owings Mills to Clarksville (Indiana) | 488.50 mi (786.16 km) |
| Owings Mills to Clarksville (Tennessee) | 606.67 mi (976.35 km) |
| Owings Mills to Clawson (Michigan) | 395.64 mi (636.72 km) |
| Owings Mills to Clay (Alabama) | 672.32 mi (1,081.99 km) |
| Owings Mills to Clayton (California) | 2,411.29 mi (3,880.60 km) |
| Owings Mills to Clayton (Missouri) | 727.94 mi (1,171.51 km) |
| Owings Mills to Clayton (North Carolina) | 274.72 mi (442.12 km) |
| Owings Mills to Clayton (Ohio) | 402.19 mi (647.26 km) |
| Owings Mills to Clearfield (Utah) | 1,848.77 mi (2,975.31 km) |
| Owings Mills to Clearlake (California) | 2,428.14 mi (3,907.71 km) |
| Owings Mills to Clearwater (Florida) | 860.71 mi (1,385.18 km) |
| Owings Mills to Cleburne (Texas) | 1,249.47 mi (2,010.83 km) |
| Owings Mills to Clemmons (North Carolina) | 305.10 mi (491.02 km) |
