| Quarteira to Castle Rock (Colorado) | 4,971.01 mi (8,000.07 km) |
| Quarteira to Castro Valley (California) | 5,772.72 mi (9,290.30 km) |
| Quarteira to Catalina Foothills (Arizona) | 5,530.30 mi (8,900.16 km) |
| Quarteira to Cataño (Puerto Rico) | 3,713.79 mi (5,976.77 km) |
| Quarteira to Cathedral City (California) | 5,714.83 mi (9,197.13 km) |
| Quarteira to Catonsville (Maryland) | 3,638.61 mi (5,855.78 km) |
| Quarteira to Cave Spring (Virginia) | 3,855.84 mi (6,205.37 km) |
| Quarteira to Cayce (South Carolina) | 4,003.36 mi (6,442.79 km) |
| Quarteira to Cayey (Puerto Rico) | 3,726.98 mi (5,997.99 km) |
| Quarteira to Cedar City (Utah) | 5,400.58 mi (8,691.39 km) |
| Quarteira to Cedar Falls (Iowa) | 4,302.58 mi (6,924.34 km) |
| Quarteira to Cedar Hill (Texas) | 4,853.40 mi (7,810.80 km) |
| Quarteira to Cedar Lake (Indiana) | 4,103.45 mi (6,603.86 km) |
| Quarteira to Cedar Mill (Oregon) | 5,434.75 mi (8,746.38 km) |
| Quarteira to Cedar Park (Texas) | 4,973.01 mi (8,003.29 km) |
