| Herk-de-Stad to Caguas (Puerto Rico) | 4,433.50 mi (7,135.04 km) |
| Herk-de-Stad to Cahokia (Illinois) | 4,422.91 mi (7,117.98 km) |
| Herk-de-Stad to Calabasas (California) | 5,640.97 mi (9,078.27 km) |
| Herk-de-Stad to Caldwell (Idaho) | 5,030.98 mi (8,096.58 km) |
| Herk-de-Stad to Caledonia (Wisconsin) | 4,131.78 mi (6,649.45 km) |
| Herk-de-Stad to Calera (Alabama) | 4,560.21 mi (7,338.95 km) |
| Herk-de-Stad to Calexico (California) | 5,626.89 mi (9,055.61 km) |
| Herk-de-Stad to Calhoun (Georgia) | 4,420.30 mi (7,113.78 km) |
| Herk-de-Stad to California (Maryland) | 3,899.04 mi (6,274.90 km) |
| Herk-de-Stad to California City (California) | 5,557.19 mi (8,943.43 km) |
| Herk-de-Stad to Callaway (Florida) | 4,662.69 mi (7,503.87 km) |
| Herk-de-Stad to Calumet City (Illinois) | 4,176.01 mi (6,720.64 km) |
| Herk-de-Stad to Calverton (Maryland) | 3,882.61 mi (6,248.45 km) |
| Herk-de-Stad to Camano (Washington) | 4,919.78 mi (7,917.61 km) |
| Herk-de-Stad to Camarillo (California) | 5,646.91 mi (9,087.83 km) |
