| Portlethen to Clarkston (Georgia) | 4,011.57 mi (6,456.00 km) |
| Portlethen to Clarksville (Indiana) | 3,828.57 mi (6,161.48 km) |
| Portlethen to Clarksville (Tennessee) | 3,976.73 mi (6,399.93 km) |
| Portlethen to Clawson (Michigan) | 3,520.70 mi (5,666.02 km) |
| Portlethen to Clay (Alabama) | 4,103.79 mi (6,604.41 km) |
| Portlethen to Clayton (California) | 5,000.20 mi (8,047.04 km) |
| Portlethen to Clayton (Missouri) | 3,972.22 mi (6,392.67 km) |
| Portlethen to Clayton (North Carolina) | 3,701.85 mi (5,957.55 km) |
| Portlethen to Clayton (Ohio) | 3,697.43 mi (5,950.45 km) |
| Portlethen to Clearfield (Utah) | 4,535.96 mi (7,299.92 km) |
| Portlethen to Clearlake (California) | 4,957.81 mi (7,978.83 km) |
| Portlethen to Clearwater (Florida) | 4,272.92 mi (6,876.60 km) |
| Portlethen to Cleburne (Texas) | 4,559.67 mi (7,338.08 km) |
| Portlethen to Clemmons (North Carolina) | 3,753.54 mi (6,040.75 km) |
| Portlethen to Clemson (South Carolina) | 3,913.13 mi (6,297.57 km) |
