| Quarteira to Cloverly (Maryland) | 3,655.38 mi (5,882.76 km) |
| Quarteira to Clovis (California) | 5,716.65 mi (9,200.06 km) |
| Quarteira to Clovis (New Mexico) | 5,084.62 mi (8,182.90 km) |
| Quarteira to Clute (Texas) | 4,906.33 mi (7,895.97 km) |
| Quarteira to Coachella (California) | 5,707.22 mi (9,184.88 km) |
| Quarteira to Coalinga (California) | 5,774.78 mi (9,293.61 km) |
| Quarteira to Coamo (Puerto Rico) | 3,739.48 mi (6,018.10 km) |
| Quarteira to Coatesville (Pennsylvania) | 3,575.27 mi (5,753.84 km) |
| Quarteira to Cockeysville (Maryland) | 3,627.69 mi (5,838.20 km) |
| Quarteira to Cocoa (Florida) | 4,165.22 mi (6,703.28 km) |
| Quarteira to Cocoa Beach (Florida) | 4,159.39 mi (6,693.89 km) |
| Quarteira to Coconut Creek (Florida) | 4,204.75 mi (6,766.89 km) |
| Quarteira to Coeur d'Alene (Idaho) | 5,120.52 mi (8,240.69 km) |
| Quarteira to Cohoes (New York) | 3,410.69 mi (5,488.97 km) |
| Quarteira to Cold Springs (Nevada) | 5,597.41 mi (9,008.15 km) |
