| Douai to Caño Martin Peña (Puerto Rico) | 4,330.31 mi (6,968.96 km) |
| Douai to Cañon City (Colorado) | 4,920.55 mi (7,918.86 km) |
| Douai to Canóvanas (Puerto Rico) | 4,326.88 mi (6,963.45 km) |
| Douai to Canton (Georgia) | 4,344.88 mi (6,992.41 km) |
| Douai to Canton (Illinois) | 4,261.35 mi (6,857.98 km) |
| Douai to Canton (Mississippi) | 4,650.60 mi (7,484.41 km) |
| Douai to Canton (Ohio) | 3,912.72 mi (6,296.91 km) |
| Douai to Canyon (Texas) | 4,985.45 mi (8,023.30 km) |
| Douai to Canyon Lake (California) | 5,585.79 mi (8,989.46 km) |
| Douai to Canyon Lake (Texas) | 5,115.95 mi (8,233.33 km) |
| Douai to Cape Coral (Florida) | 4,613.76 mi (7,425.14 km) |
| Douai to Cape Girardeau (Missouri) | 4,399.43 mi (7,080.19 km) |
| Douai to Carbondale (Illinois) | 4,366.37 mi (7,026.99 km) |
| Douai to Carlisle (Pennsylvania) | 3,772.17 mi (6,070.72 km) |
| Douai to Carlsbad (California) | 5,618.83 mi (9,042.63 km) |
