| Markham to River Ridge (Louisiana) | 816.59 mi (1,314.17 km) |
| Markham to Riverbank (California) | 1,777.61 mi (2,860.79 km) |
| Markham to Riverdale (Georgia) | 583.44 mi (938.95 km) |
| Markham to Riverdale (Illinois) | 4.12 mi (6.64 km) |
| Markham to Riverside (California) | 1,696.74 mi (2,730.64 km) |
| Markham to Riverside (Ohio) | 225.14 mi (362.33 km) |
| Markham to Riverton (Utah) | 1,262.64 mi (2,032.03 km) |
| Markham to Riverton (Wyoming) | 1,060.68 mi (1,706.99 km) |
| Markham to Riverview (Florida) | 999.34 mi (1,608.28 km) |
| Markham to Riverview (Michigan) | 234.58 mi (377.52 km) |
| Markham to Riviera Beach (Florida) | 1,111.38 mi (1,788.60 km) |
| Markham to Riviera Beach (Maryland) | 610.77 mi (982.94 km) |
| Markham to Roanoke (Virginia) | 508.96 mi (819.10 km) |
| Markham to Roanoke Rapids (North Carolina) | 645.37 mi (1,038.62 km) |
| Markham to Robbinsdale (Minnesota) | 369.32 mi (594.36 km) |
