| Douai to Caguas (Puerto Rico) | 4,339.99 mi (6,984.54 km) |
| Douai to Cahokia (Illinois) | 4,362.66 mi (7,021.02 km) |
| Douai to Calabasas (California) | 5,604.58 mi (9,019.69 km) |
| Douai to Caldwell (Idaho) | 5,001.25 mi (8,048.74 km) |
| Douai to Caledonia (Wisconsin) | 4,074.47 mi (6,557.23 km) |
| Douai to Calera (Alabama) | 4,491.48 mi (7,228.34 km) |
| Douai to Calexico (California) | 5,585.62 mi (8,989.19 km) |
| Douai to Calhoun (Georgia) | 4,351.42 mi (7,002.93 km) |
| Douai to California (Maryland) | 3,827.53 mi (6,159.81 km) |
| Douai to California City (California) | 5,520.79 mi (8,884.86 km) |
| Douai to Callaway (Florida) | 4,590.21 mi (7,387.23 km) |
| Douai to Calumet City (Illinois) | 4,117.01 mi (6,625.69 km) |
| Douai to Calverton (Maryland) | 3,812.28 mi (6,135.27 km) |
| Douai to Camano (Washington) | 4,900.46 mi (7,886.53 km) |
| Douai to Camarillo (California) | 5,611.01 mi (9,030.04 km) |
