| Herk-de-Stad to Castle Rock (Colorado) | 4,904.41 mi (7,892.89 km) |
| Herk-de-Stad to Castro Valley (California) | 5,528.72 mi (8,897.62 km) |
| Herk-de-Stad to Catalina Foothills (Arizona) | 5,497.59 mi (8,847.52 km) |
| Herk-de-Stad to Cataño (Puerto Rico) | 4,427.45 mi (7,125.29 km) |
| Herk-de-Stad to Cathedral City (California) | 5,590.81 mi (8,997.55 km) |
| Herk-de-Stad to Catonsville (Maryland) | 3,864.87 mi (6,219.91 km) |
| Herk-de-Stad to Cave Spring (Virginia) | 4,090.75 mi (6,583.43 km) |
| Herk-de-Stad to Cayce (South Carolina) | 4,289.69 mi (6,903.60 km) |
| Herk-de-Stad to Cayey (Puerto Rico) | 4,444.96 mi (7,153.47 km) |
| Herk-de-Stad to Cedar City (Utah) | 5,264.91 mi (8,473.05 km) |
| Herk-de-Stad to Cedar Falls (Iowa) | 4,311.87 mi (6,939.29 km) |
| Herk-de-Stad to Cedar Hill (Texas) | 4,984.79 mi (8,022.24 km) |
| Herk-de-Stad to Cedar Lake (Indiana) | 4,183.47 mi (6,732.64 km) |
| Herk-de-Stad to Cedar Mill (Oregon) | 5,084.10 mi (8,182.07 km) |
| Herk-de-Stad to Cedar Park (Texas) | 5,126.96 mi (8,251.04 km) |
