| Portlethen to Corinth (Mississippi) | 4,105.02 mi (6,606.39 km) |
| Portlethen to Corinth (Texas) | 4,503.99 mi (7,248.47 km) |
| Portlethen to Cornelius (North Carolina) | 3,800.95 mi (6,117.04 km) |
| Portlethen to Cornelius (Oregon) | 4,576.27 mi (7,364.80 km) |
| Portlethen to Corning (New York) | 3,322.44 mi (5,346.95 km) |
| Portlethen to Corona (California) | 5,120.88 mi (8,241.26 km) |
| Portlethen to Coronado (California) | 5,180.06 mi (8,336.50 km) |
| Portlethen to Corpus Christi (Texas) | 4,817.92 mi (7,753.69 km) |
| Portlethen to Corsicana (Texas) | 4,542.00 mi (7,309.65 km) |
| Portlethen to Cortland (New York) | 3,268.59 mi (5,260.29 km) |
| Portlethen to Corvallis (Oregon) | 4,638.39 mi (7,464.77 km) |
| Portlethen to Coshocton (Ohio) | 3,588.87 mi (5,775.73 km) |
| Portlethen to Costa Mesa (California) | 5,142.67 mi (8,276.33 km) |
| Portlethen to Coto de Caza (California) | 5,137.29 mi (8,267.67 km) |
| Portlethen to Cottage Grove (Minnesota) | 3,738.97 mi (6,017.29 km) |
