| Douai to Culpeper (Virginia) | 3,881.72 mi (6,247.02 km) |
| Douai to Culver City (California) | 5,603.61 mi (9,018.15 km) |
| Douai to Cumberland (Maryland) | 3,859.68 mi (6,211.56 km) |
| Douai to Cupertino (California) | 5,521.84 mi (8,886.54 km) |
| Douai to Cutler Bay (Florida) | 4,595.89 mi (7,396.37 km) |
| Douai to Cutlerville (Michigan) | 3,988.92 mi (6,419.55 km) |
| Douai to Cuyahoga Falls (Ohio) | 3,902.82 mi (6,280.98 km) |
| Douai to Cypress (California) | 5,603.16 mi (9,017.41 km) |
| Douai to Cypress Gardens (Florida) | 4,532.97 mi (7,295.11 km) |
| Douai to Cypress Lake (Florida) | 4,614.92 mi (7,426.99 km) |
| Douai to D'Iberville (Mississippi) | 4,711.33 mi (7,582.16 km) |
| Douai to Dakota Ridge (Colorado) | 4,855.26 mi (7,813.78 km) |
| Douai to Dale City (Virginia) | 3,846.91 mi (6,191.01 km) |
| Douai to Dallas (Georgia) | 4,375.29 mi (7,041.36 km) |
| Douai to Dallas (Oregon) | 5,111.75 mi (8,226.56 km) |
