| Quarteira to Commerce City (Colorado) | 4,951.95 mi (7,969.40 km) |
| Quarteira to Compton (California) | 5,789.01 mi (9,316.51 km) |
| Quarteira to Comstock Park (Michigan) | 3,974.74 mi (6,396.72 km) |
| Quarteira to Concord (California) | 5,757.92 mi (9,266.48 km) |
| Quarteira to Concord (Missouri) | 4,328.45 mi (6,965.97 km) |
| Quarteira to Concord (New Hampshire) | 3,297.64 mi (5,307.04 km) |
| Quarteira to Concord (North Carolina) | 3,939.69 mi (6,340.33 km) |
| Quarteira to Conneaut (Ohio) | 3,761.12 mi (6,052.94 km) |
| Quarteira to Connersville (Indiana) | 4,042.03 mi (6,505.02 km) |
| Quarteira to Conroe (Texas) | 4,862.60 mi (7,825.60 km) |
| Quarteira to Converse (Texas) | 5,035.35 mi (8,103.61 km) |
| Quarteira to Conway (Arkansas) | 4,543.87 mi (7,312.65 km) |
| Quarteira to Conway (Florida) | 4,191.45 mi (6,745.49 km) |
| Quarteira to Conway (South Carolina) | 3,903.02 mi (6,281.31 km) |
| Quarteira to Conyers (Georgia) | 4,163.89 mi (6,701.13 km) |
