| Markham to Romeoville (Illinois) | 21.26 mi (34.21 km) |
| Markham to Romulus (Michigan) | 226.46 mi (364.45 km) |
| Markham to Ronkonkoma (New York) | 758.30 mi (1,220.36 km) |
| Markham to Roosevelt (New York) | 735.96 mi (1,184.41 km) |
| Markham to Rosamond (California) | 1,710.80 mi (2,753.26 km) |
| Markham to Rosaryville (Maryland) | 605.43 mi (974.34 km) |
| Markham to Roscoe (Illinois) | 88.50 mi (142.42 km) |
| Markham to Rose Hill (Virginia) | 590.86 mi (950.90 km) |
| Markham to Roseburg (Oregon) | 1,808.85 mi (2,911.07 km) |
| Markham to Rosedale (California) | 1,746.90 mi (2,811.36 km) |
| Markham to Rosedale (Maryland) | 607.94 mi (978.38 km) |
| Markham to Roselle (Illinois) | 33.29 mi (53.57 km) |
| Markham to Roselle (New Jersey) | 701.33 mi (1,128.69 km) |
| Markham to Roselle Park (New Jersey) | 700.84 mi (1,127.90 km) |
| Markham to Rosemead (California) | 1,727.85 mi (2,780.71 km) |
