| Portlethen to Cicero (Illinois) | 3,716.55 mi (5,981.20 km) |
| Portlethen to Cimarron Hills (Colorado) | 4,439.38 mi (7,144.49 km) |
| Portlethen to Cincinnati (Ohio) | 3,741.16 mi (6,020.82 km) |
| Portlethen to Cinco Ranch (Texas) | 4,647.78 mi (7,479.88 km) |
| Portlethen to Circleville (Ohio) | 3,661.11 mi (5,891.99 km) |
| Portlethen to Citrus (California) | 5,115.23 mi (8,232.17 km) |
| Portlethen to Citrus Heights (California) | 4,937.66 mi (7,946.40 km) |
| Portlethen to Citrus Park (Florida) | 4,260.36 mi (6,856.38 km) |
| Portlethen to Claiborne (Louisiana) | 4,366.81 mi (7,027.70 km) |
| Portlethen to Claremont (California) | 5,109.58 mi (8,223.07 km) |
| Portlethen to Claremont (New Hampshire) | 3,091.60 mi (4,975.45 km) |
| Portlethen to Claremore (Oklahoma) | 4,279.49 mi (6,887.18 km) |
| Portlethen to Clarksburg (Maryland) | 3,475.41 mi (5,593.12 km) |
| Portlethen to Clarksburg (West Virginia) | 3,583.50 mi (5,767.09 km) |
| Portlethen to Clarksdale (Mississippi) | 4,218.82 mi (6,789.54 km) |
