| Willebroek to Castle Rock (Colorado) | 4,872.02 mi (7,840.77 km) |
| Willebroek to Castro Valley (California) | 5,499.66 mi (8,850.85 km) |
| Willebroek to Catalina Foothills (Arizona) | 5,465.11 mi (8,795.24 km) |
| Willebroek to Cataño (Puerto Rico) | 4,393.09 mi (7,070.00 km) |
| Willebroek to Cathedral City (California) | 5,559.72 mi (8,947.50 km) |
| Willebroek to Catonsville (Maryland) | 3,829.34 mi (6,162.72 km) |
| Willebroek to Cave Spring (Virginia) | 4,055.24 mi (6,526.28 km) |
| Willebroek to Cayce (South Carolina) | 4,254.02 mi (6,846.19 km) |
| Willebroek to Cayey (Puerto Rico) | 4,410.64 mi (7,098.24 km) |
| Willebroek to Cedar City (Utah) | 5,233.77 mi (8,422.94 km) |
| Willebroek to Cedar Falls (Iowa) | 4,278.20 mi (6,885.09 km) |
| Willebroek to Cedar Hill (Texas) | 4,950.25 mi (7,966.66 km) |
| Willebroek to Cedar Lake (Indiana) | 4,149.02 mi (6,677.21 km) |
| Willebroek to Cedar Mill (Oregon) | 5,056.83 mi (8,138.18 km) |
| Willebroek to Cedar Park (Texas) | 5,092.29 mi (8,195.25 km) |
