| Portlethen to Rockville (Maryland) | 3,478.49 mi (5,598.09 km) |
| Portlethen to Rockville Centre (New York) | 3,270.62 mi (5,263.56 km) |
| Portlethen to Rockwall (Texas) | 4,494.71 mi (7,233.53 km) |
| Portlethen to Rocky Mount (North Carolina) | 3,661.94 mi (5,893.32 km) |
| Portlethen to Rocky Point (New York) | 3,231.48 mi (5,200.56 km) |
| Portlethen to Rocky River (Ohio) | 3,528.10 mi (5,677.92 km) |
| Portlethen to Roessleville (New York) | 3,177.43 mi (5,113.59 km) |
| Portlethen to Rogers (Arkansas) | 4,229.29 mi (6,806.39 km) |
| Portlethen to Rogers (Minnesota) | 3,741.32 mi (6,021.08 km) |
| Portlethen to Rohnert Park (California) | 4,996.25 mi (8,040.68 km) |
| Portlethen to Rolla (Missouri) | 4,058.96 mi (6,532.26 km) |
| Portlethen to Rolling Meadows (Illinois) | 3,713.95 mi (5,977.03 km) |
| Portlethen to Roma (Texas) | 4,949.47 mi (7,965.40 km) |
| Portlethen to Rome (Georgia) | 4,021.69 mi (6,472.29 km) |
| Portlethen to Rome (New York) | 3,213.50 mi (5,171.62 km) |
