| Markham to Conyers (Georgia) | 584.19 mi (940.16 km) |
| Markham to Cookeville (Tennessee) | 394.47 mi (634.83 km) |
| Markham to Coolidge (Arizona) | 1,434.50 mi (2,308.60 km) |
| Markham to Coon Rapids (Minnesota) | 374.84 mi (603.25 km) |
| Markham to Cooper City (Florida) | 1,154.48 mi (1,857.95 km) |
| Markham to Coos Bay (Oregon) | 1,850.96 mi (2,978.84 km) |
| Markham to Copiague (New York) | 745.96 mi (1,200.50 km) |
| Markham to Coppell (Texas) | 784.77 mi (1,262.97 km) |
| Markham to Copperas Cove (Texas) | 919.41 mi (1,479.65 km) |
| Markham to Coral Gables (Florida) | 1,177.11 mi (1,894.37 km) |
| Markham to Coral Springs (Florida) | 1,140.49 mi (1,835.43 km) |
| Markham to Coral Terrace (Florida) | 1,173.64 mi (1,888.79 km) |
| Markham to Coralville (Iowa) | 201.77 mi (324.72 km) |
| Markham to Coram (New York) | 763.62 mi (1,228.92 km) |
| Markham to Corcoran (California) | 1,746.42 mi (2,810.59 km) |
