| Quarteira to Cookeville (Tennessee) | 4,163.73 mi (6,700.88 km) |
| Quarteira to Coolidge (Arizona) | 5,532.94 mi (8,904.41 km) |
| Quarteira to Coon Rapids (Minnesota) | 4,261.05 mi (6,857.49 km) |
| Quarteira to Cooper City (Florida) | 4,218.25 mi (6,788.62 km) |
| Quarteira to Coos Bay (Oregon) | 5,587.93 mi (8,992.91 km) |
| Quarteira to Copiague (New York) | 3,438.93 mi (5,534.42 km) |
| Quarteira to Coppell (Texas) | 4,840.92 mi (7,790.71 km) |
| Quarteira to Copperas Cove (Texas) | 4,954.87 mi (7,974.10 km) |
| Quarteira to Coral Gables (Florida) | 4,229.24 mi (6,806.30 km) |
| Quarteira to Coral Springs (Florida) | 4,209.13 mi (6,773.94 km) |
| Quarteira to Coral Terrace (Florida) | 4,229.57 mi (6,806.83 km) |
| Quarteira to Coralville (Iowa) | 4,288.21 mi (6,901.21 km) |
| Quarteira to Coram (New York) | 3,415.19 mi (5,496.22 km) |
| Quarteira to Corcoran (California) | 5,745.70 mi (9,246.81 km) |
| Quarteira to Cordele (Georgia) | 4,206.43 mi (6,769.60 km) |
