| Herk-de-Stad to Cookeville (Tennessee) | 4,361.66 mi (7,019.41 km) |
| Herk-de-Stad to Coolidge (Arizona) | 5,483.30 mi (8,824.52 km) |
| Herk-de-Stad to Coon Rapids (Minnesota) | 4,212.63 mi (6,779.57 km) |
| Herk-de-Stad to Cooper City (Florida) | 4,650.29 mi (7,483.92 km) |
| Herk-de-Stad to Coos Bay (Oregon) | 5,248.29 mi (8,446.31 km) |
| Herk-de-Stad to Copiague (New York) | 3,666.74 mi (5,901.05 km) |
| Herk-de-Stad to Coppell (Texas) | 4,965.81 mi (7,991.69 km) |
| Herk-de-Stad to Copperas Cove (Texas) | 5,098.17 mi (8,204.71 km) |
| Herk-de-Stad to Coral Gables (Florida) | 4,667.02 mi (7,510.84 km) |
| Herk-de-Stad to Coral Springs (Florida) | 4,637.82 mi (7,463.86 km) |
| Herk-de-Stad to Coral Terrace (Florida) | 4,666.27 mi (7,509.64 km) |
| Herk-de-Stad to Coralville (Iowa) | 4,321.12 mi (6,954.17 km) |
| Herk-de-Stad to Coram (New York) | 3,641.89 mi (5,861.05 km) |
| Herk-de-Stad to Corcoran (California) | 5,553.27 mi (8,937.12 km) |
| Herk-de-Stad to Cordele (Georgia) | 4,498.57 mi (7,239.75 km) |
