| Markham to Rockville (Maryland) | 580.97 mi (934.98 km) |
| Markham to Rockville Centre (New York) | 733.31 mi (1,180.16 km) |
| Markham to Rockwall (Texas) | 768.07 mi (1,236.09 km) |
| Markham to Rocky Mount (North Carolina) | 658.77 mi (1,060.19 km) |
| Markham to Rocky Point (New York) | 766.65 mi (1,233.81 km) |
| Markham to Rocky River (Ohio) | 302.01 mi (486.04 km) |
| Markham to Roessleville (New York) | 714.94 mi (1,150.59 km) |
| Markham to Rogers (Arkansas) | 503.49 mi (810.28 km) |
| Markham to Rogers (Minnesota) | 385.55 mi (620.49 km) |
| Markham to Rohnert Park (California) | 1,854.27 mi (2,984.17 km) |
| Markham to Rolla (Missouri) | 332.28 mi (534.75 km) |
| Markham to Rolling Meadows (Illinois) | 37.05 mi (59.63 km) |
| Markham to Roma (Texas) | 1,230.58 mi (1,980.43 km) |
| Markham to Rome (Georgia) | 524.70 mi (844.42 km) |
| Markham to Rome (New York) | 631.78 mi (1,016.75 km) |
