| Portlethen to Cloverly (Maryland) | 3,471.63 mi (5,587.04 km) |
| Portlethen to Clovis (California) | 5,005.01 mi (8,054.79 km) |
| Portlethen to Clovis (New Mexico) | 4,638.60 mi (7,465.11 km) |
| Portlethen to Clute (Texas) | 4,674.84 mi (7,523.43 km) |
| Portlethen to Coachella (California) | 5,089.04 mi (8,190.02 km) |
| Portlethen to Coalinga (California) | 5,063.88 mi (8,149.53 km) |
| Portlethen to Coamo (Puerto Rico) | 4,213.34 mi (6,780.72 km) |
| Portlethen to Coatesville (Pennsylvania) | 3,384.35 mi (5,446.58 km) |
| Portlethen to Cockeysville (Maryland) | 3,439.24 mi (5,534.92 km) |
| Portlethen to Cocoa (Florida) | 4,176.68 mi (6,721.72 km) |
| Portlethen to Cocoa Beach (Florida) | 4,174.15 mi (6,717.65 km) |
| Portlethen to Coconut Creek (Florida) | 4,270.18 mi (6,872.19 km) |
| Portlethen to Coeur d'Alene (Idaho) | 4,290.02 mi (6,904.12 km) |
| Portlethen to Cohoes (New York) | 3,170.53 mi (5,102.48 km) |
| Portlethen to Cold Springs (Nevada) | 4,842.68 mi (7,793.54 km) |
