| Willebroek to Caguas (Puerto Rico) | 4,399.19 mi (7,079.81 km) |
| Willebroek to Cahokia (Illinois) | 4,388.36 mi (7,062.39 km) |
| Willebroek to Calabasas (California) | 5,610.43 mi (9,029.11 km) |
| Willebroek to Caldwell (Idaho) | 5,001.81 mi (8,049.64 km) |
| Willebroek to Caledonia (Wisconsin) | 4,097.60 mi (6,594.45 km) |
| Willebroek to Calera (Alabama) | 4,524.80 mi (7,281.96 km) |
| Willebroek to Calexico (California) | 5,595.39 mi (9,004.91 km) |
| Willebroek to Calhoun (Georgia) | 4,384.87 mi (7,056.77 km) |
| Willebroek to California (Maryland) | 3,863.42 mi (6,217.58 km) |
| Willebroek to California City (California) | 5,526.64 mi (8,894.26 km) |
| Willebroek to Callaway (Florida) | 4,627.02 mi (7,446.47 km) |
| Willebroek to Calumet City (Illinois) | 4,141.61 mi (6,665.28 km) |
| Willebroek to Calverton (Maryland) | 3,847.07 mi (6,191.26 km) |
| Willebroek to Camano (Washington) | 4,893.03 mi (7,874.57 km) |
| Willebroek to Camarillo (California) | 5,616.47 mi (9,038.83 km) |
