| Markham to Clarksdale (Mississippi) | 535.19 mi (861.31 km) |
| Markham to Clarkston (Georgia) | 570.07 mi (917.44 km) |
| Markham to Clarksville (Indiana) | 248.31 mi (399.62 km) |
| Markham to Clarksville (Tennessee) | 348.10 mi (560.21 km) |
| Markham to Clawson (Michigan) | 241.65 mi (388.90 km) |
| Markham to Clay (Alabama) | 549.36 mi (884.10 km) |
| Markham to Clayton (California) | 1,823.71 mi (2,934.98 km) |
| Markham to Clayton (Missouri) | 247.27 mi (397.94 km) |
| Markham to Clayton (North Carolina) | 645.29 mi (1,038.50 km) |
| Markham to Clayton (Ohio) | 212.75 mi (342.39 km) |
| Markham to Clearfield (Utah) | 1,258.36 mi (2,025.14 km) |
| Markham to Clearlake (California) | 1,838.26 mi (2,958.40 km) |
| Markham to Clearwater (Florida) | 981.32 mi (1,579.28 km) |
| Markham to Cleburne (Texas) | 833.09 mi (1,340.73 km) |
| Markham to Clemmons (North Carolina) | 549.72 mi (884.69 km) |
