| Riverdale to Ridgefield Park (New Jersey) | 760.99 mi (1,224.69 km) |
| Riverdale to Ridgeland (Mississippi) | 341.66 mi (549.85 km) |
| Riverdale to Ridgewood (New Jersey) | 762.71 mi (1,227.46 km) |
| Riverdale to Rifle (Colorado) | 1,356.26 mi (2,182.70 km) |
| Riverdale to Rincon (Georgia) | 203.93 mi (328.19 km) |
| Riverdale to Ringwood (New Jersey) | 761.63 mi (1,225.73 km) |
| Riverdale to Río Grande (Puerto Rico) | 1,554.31 mi (2,501.42 km) |
| Riverdale to Rio Grande City (Texas) | 993.67 mi (1,599.16 km) |
| Riverdale to Rio Linda (California) | 2,082.34 mi (3,351.20 km) |
| Riverdale to Rio Rancho (New Mexico) | 1,273.12 mi (2,048.89 km) |
| Riverdale to Rio Rico (Arizona) | 1,550.61 mi (2,495.46 km) |
| Riverdale to Ripon (California) | 2,068.37 mi (3,328.72 km) |
| Riverdale to River Edge (New Jersey) | 763.33 mi (1,228.47 km) |
| Riverdale to River Falls (Wisconsin) | 894.77 mi (1,440.00 km) |
| Riverdale to River Forest (Illinois) | 604.87 mi (973.45 km) |
