| Reston to Rockville (Maryland) | 13.79 mi (22.20 km) |
| Reston to Rockville Centre (New York) | 229.68 mi (369.63 km) |
| Reston to Rockwall (Texas) | 1,143.73 mi (1,840.66 km) |
| Reston to Rocky Mount (North Carolina) | 207.51 mi (333.95 km) |
| Reston to Rocky Point (New York) | 270.86 mi (435.91 km) |
| Reston to Rocky River (Ohio) | 294.67 mi (474.22 km) |
| Reston to Roessleville (New York) | 318.49 mi (512.55 km) |
| Reston to Rogers (Arkansas) | 936.02 mi (1,506.38 km) |
| Reston to Rogers (Minnesota) | 935.11 mi (1,504.91 km) |
| Reston to Rohnert Park (California) | 2,421.67 mi (3,897.30 km) |
| Reston to Rolla (Missouri) | 782.26 mi (1,258.92 km) |
| Reston to Rolling Meadows (Illinois) | 600.56 mi (966.50 km) |
| Reston to Roma (Texas) | 1,522.08 mi (2,449.55 km) |
| Reston to Rome (Georgia) | 541.68 mi (871.76 km) |
| Reston to Rome (New York) | 310.83 mi (500.24 km) |
