| Portlethen to Carlsbad (New Mexico) | 4,788.48 mi (7,706.31 km) |
| Portlethen to Carmel (Indiana) | 3,756.78 mi (6,045.95 km) |
| Portlethen to Carmichael (California) | 4,942.46 mi (7,954.13 km) |
| Portlethen to Carney (Maryland) | 3,439.15 mi (5,534.78 km) |
| Portlethen to Carnot-Moon (Pennsylvania) | 3,517.35 mi (5,660.62 km) |
| Portlethen to Carol Stream (Illinois) | 3,725.61 mi (5,995.79 km) |
| Portlethen to Carolina (Puerto Rico) | 4,180.38 mi (6,727.67 km) |
| Portlethen to Carolina Forest (South Carolina) | 3,818.36 mi (6,145.06 km) |
| Portlethen to Carpentersville (Illinois) | 3,720.61 mi (5,987.74 km) |
| Portlethen to Carpinteria (California) | 5,145.35 mi (8,280.64 km) |
| Portlethen to Carrboro (North Carolina) | 3,711.43 mi (5,972.97 km) |
| Portlethen to Carroll (Iowa) | 3,945.72 mi (6,350.02 km) |
| Portlethen to Carrollton (Georgia) | 4,054.57 mi (6,525.19 km) |
| Portlethen to Carrollton (Texas) | 4,506.73 mi (7,252.88 km) |
| Portlethen to Carrollwood (Florida) | 4,259.41 mi (6,854.86 km) |
