| Riverdale to Rosemont (California) | 2,078.00 mi (3,344.21 km) |
| Riverdale to Rosemount (Minnesota) | 899.92 mi (1,448.27 km) |
| Riverdale to Rosenberg (Texas) | 726.45 mi (1,169.12 km) |
| Riverdale to Roseville (California) | 2,075.59 mi (3,340.35 km) |
| Riverdale to Roseville (Michigan) | 623.09 mi (1,002.76 km) |
| Riverdale to Roseville (Minnesota) | 917.78 mi (1,477.03 km) |
| Riverdale to Rossmoor (California) | 1,927.27 mi (3,101.63 km) |
| Riverdale to Rossville (Maryland) | 595.01 mi (957.58 km) |
| Riverdale to Roswell (Georgia) | 33.01 mi (53.12 km) |
| Riverdale to Roswell (New Mexico) | 1,157.85 mi (1,863.38 km) |
| Riverdale to Round Lake (Illinois) | 638.97 mi (1,028.33 km) |
| Riverdale to Round Lake Beach (Illinois) | 640.87 mi (1,031.38 km) |
| Riverdale to Round Rock (Texas) | 803.42 mi (1,292.98 km) |
| Riverdale to Rowland Heights (California) | 1,914.60 mi (3,081.25 km) |
| Riverdale to Rowlett (Texas) | 702.50 mi (1,130.56 km) |
