| Houthulst to Caguas (Puerto Rico) | 4,337.38 mi (6,980.33 km) |
| Houthulst to Cahokia (Illinois) | 4,337.51 mi (6,980.54 km) |
| Houthulst to Calabasas (California) | 5,571.15 mi (8,965.89 km) |
| Houthulst to Caldwell (Idaho) | 4,966.03 mi (7,992.05 km) |
| Houthulst to Caledonia (Wisconsin) | 4,048.06 mi (6,514.73 km) |
| Houthulst to Calera (Alabama) | 4,470.32 mi (7,194.29 km) |
| Houthulst to Calexico (California) | 5,553.62 mi (8,937.69 km) |
| Houthulst to Calhoun (Georgia) | 4,330.33 mi (6,968.99 km) |
| Houthulst to California (Maryland) | 3,807.80 mi (6,128.07 km) |
| Houthulst to California City (California) | 5,487.36 mi (8,831.05 km) |
| Houthulst to Callaway (Florida) | 4,571.06 mi (7,356.40 km) |
| Houthulst to Calumet City (Illinois) | 4,091.31 mi (6,584.33 km) |
| Houthulst to Calverton (Maryland) | 3,791.92 mi (6,102.50 km) |
| Houthulst to Camano (Washington) | 4,862.91 mi (7,826.09 km) |
| Houthulst to Camarillo (California) | 5,577.44 mi (8,976.02 km) |
