| Portlethen to Red Bank (New Jersey) | 3,302.00 mi (5,314.06 km) |
| Portlethen to Red Bank (Tennessee) | 3,980.65 mi (6,406.24 km) |
| Portlethen to Red Bluff (California) | 4,874.60 mi (7,844.91 km) |
| Portlethen to Red Hill (South Carolina) | 3,821.33 mi (6,149.83 km) |
| Portlethen to Red Oak (Texas) | 4,528.76 mi (7,288.34 km) |
| Portlethen to Red Wing (Minnesota) | 3,740.31 mi (6,019.44 km) |
| Portlethen to Redan (Georgia) | 4,012.66 mi (6,457.76 km) |
| Portlethen to Redding (California) | 4,854.12 mi (7,811.95 km) |
| Portlethen to Redland (Maryland) | 3,475.61 mi (5,593.46 km) |
| Portlethen to Redlands (California) | 5,098.08 mi (8,204.57 km) |
| Portlethen to Redmond (Oregon) | 4,603.79 mi (7,409.08 km) |
| Portlethen to Redmond (Washington) | 4,425.73 mi (7,122.53 km) |
| Portlethen to Redondo Beach (California) | 5,144.79 mi (8,279.73 km) |
| Portlethen to Redwood City (California) | 5,034.47 mi (8,102.20 km) |
| Portlethen to Reedley (California) | 5,012.05 mi (8,066.11 km) |
