| Portlethen to Cookeville (Tennessee) | 3,933.48 mi (6,330.32 km) |
| Portlethen to Coolidge (Arizona) | 4,992.44 mi (8,034.55 km) |
| Portlethen to Coon Rapids (Minnesota) | 3,733.10 mi (6,007.84 km) |
| Portlethen to Cooper City (Florida) | 4,286.89 mi (6,899.08 km) |
| Portlethen to Coos Bay (Oregon) | 4,733.40 mi (7,617.67 km) |
| Portlethen to Copiague (New York) | 3,261.26 mi (5,248.49 km) |
| Portlethen to Coppell (Texas) | 4,511.25 mi (7,260.16 km) |
| Portlethen to Copperas Cove (Texas) | 4,646.02 mi (7,477.04 km) |
| Portlethen to Coral Gables (Florida) | 4,305.25 mi (6,928.62 km) |
| Portlethen to Coral Springs (Florida) | 4,273.54 mi (6,877.59 km) |
| Portlethen to Coral Terrace (Florida) | 4,304.14 mi (6,926.84 km) |
| Portlethen to Coralville (Iowa) | 3,855.51 mi (6,204.84 km) |
| Portlethen to Coram (New York) | 3,236.71 mi (5,208.98 km) |
| Portlethen to Corcoran (California) | 5,045.95 mi (8,120.66 km) |
| Portlethen to Cordele (Georgia) | 4,093.87 mi (6,588.45 km) |
