| Portlethen to Centralia (Illinois) | 3,936.54 mi (6,335.24 km) |
| Portlethen to Centralia (Washington) | 4,502.85 mi (7,246.64 km) |
| Portlethen to Centreville (Virginia) | 3,501.23 mi (5,634.69 km) |
| Portlethen to Ceres (California) | 4,994.57 mi (8,037.99 km) |
| Portlethen to Cerritos (California) | 5,135.23 mi (8,264.35 km) |
| Portlethen to Chalco (Nebraska) | 4,034.90 mi (6,493.54 km) |
| Portlethen to Chalmette (Louisiana) | 4,429.32 mi (7,128.29 km) |
| Portlethen to Chambersburg (Pennsylvania) | 3,454.05 mi (5,558.76 km) |
| Portlethen to Chamblee (Georgia) | 4,009.90 mi (6,453.31 km) |
| Portlethen to Champaign (Illinois) | 3,823.62 mi (6,153.52 km) |
| Portlethen to Champlin (Minnesota) | 3,736.01 mi (6,012.53 km) |
| Portlethen to Chandler (Arizona) | 4,982.43 mi (8,018.44 km) |
| Portlethen to Chanhassen (Minnesota) | 3,757.82 mi (6,047.63 km) |
| Portlethen to Channahon (Illinois) | 3,755.59 mi (6,044.04 km) |
| Portlethen to Channelview (Texas) | 4,622.04 mi (7,438.45 km) |
