| Maryland Heights to Carrollwood (Florida) | 867.17 mi (1,395.57 km) |
| Maryland Heights to Carson (California) | 1,577.27 mi (2,538.36 km) |
| Maryland Heights to Carson City (Nevada) | 1,566.67 mi (2,521.32 km) |
| Maryland Heights to Carteret (New Jersey) | 872.55 mi (1,404.23 km) |
| Maryland Heights to Cartersville (Georgia) | 445.33 mi (716.70 km) |
| Maryland Heights to Carthage (Missouri) | 236.00 mi (379.80 km) |
| Maryland Heights to Cary (Illinois) | 268.24 mi (431.69 km) |
| Maryland Heights to Cary (North Carolina) | 671.81 mi (1,081.17 km) |
| Maryland Heights to Casa de Oro-Mount Helix (California) | 1,535.64 mi (2,471.37 km) |
| Maryland Heights to Casa Grande (Arizona) | 1,255.03 mi (2,019.78 km) |
| Maryland Heights to Casas Adobes (Arizona) | 1,232.55 mi (1,983.59 km) |
| Maryland Heights to Cascades (Virginia) | 703.66 mi (1,132.43 km) |
| Maryland Heights to Casper (Wyoming) | 875.00 mi (1,408.18 km) |
| Maryland Heights to Casselberry (Florida) | 870.54 mi (1,401.01 km) |
| Maryland Heights to Castaic (California) | 1,582.52 mi (2,546.82 km) |
