| Portlethen to River Ridge (Louisiana) | 4,437.65 mi (7,141.71 km) |
| Portlethen to Riverbank (California) | 4,986.24 mi (8,024.57 km) |
| Portlethen to Riverdale (Georgia) | 4,031.01 mi (6,487.28 km) |
| Portlethen to Riverdale (Illinois) | 3,722.56 mi (5,990.88 km) |
| Portlethen to Riverside (California) | 5,111.36 mi (8,225.93 km) |
| Portlethen to Riverside (Ohio) | 3,694.44 mi (5,945.63 km) |
| Portlethen to Riverton (Utah) | 4,567.69 mi (7,350.99 km) |
| Portlethen to Riverton (Wyoming) | 4,319.95 mi (6,952.29 km) |
| Portlethen to Riverview (Florida) | 4,264.40 mi (6,862.89 km) |
| Portlethen to Riverview (Michigan) | 3,540.48 mi (5,697.85 km) |
| Portlethen to Riviera Beach (Florida) | 4,238.49 mi (6,821.20 km) |
| Portlethen to Riviera Beach (Maryland) | 3,451.45 mi (5,554.57 km) |
| Portlethen to Roanoke (Virginia) | 3,673.16 mi (5,911.39 km) |
| Portlethen to Roanoke Rapids (North Carolina) | 3,631.52 mi (5,844.36 km) |
| Portlethen to Robbinsdale (Minnesota) | 3,741.53 mi (6,021.41 km) |
