| Maryland Heights to Carlsbad (California) | 1,542.90 mi (2,483.06 km) |
| Maryland Heights to Carlsbad (New Mexico) | 886.88 mi (1,427.30 km) |
| Maryland Heights to Carmel (Indiana) | 246.79 mi (397.16 km) |
| Maryland Heights to Carmichael (California) | 1,656.19 mi (2,665.38 km) |
| Maryland Heights to Carney (Maryland) | 749.22 mi (1,205.76 km) |
| Maryland Heights to Carnot-Moon (Pennsylvania) | 559.54 mi (900.49 km) |
| Maryland Heights to Carol Stream (Illinois) | 253.18 mi (407.45 km) |
| Maryland Heights to Carolina (Puerto Rico) | 2,031.67 mi (3,269.66 km) |
| Maryland Heights to Carolina Forest (South Carolina) | 728.76 mi (1,172.83 km) |
| Maryland Heights to Carpentersville (Illinois) | 261.74 mi (421.24 km) |
| Maryland Heights to Carpinteria (California) | 1,631.87 mi (2,626.25 km) |
| Maryland Heights to Carrboro (North Carolina) | 654.23 mi (1,052.88 km) |
| Maryland Heights to Carroll (Iowa) | 326.96 mi (526.20 km) |
| Maryland Heights to Carrollton (Georgia) | 465.04 mi (748.42 km) |
| Maryland Heights to Carrollton (Texas) | 534.67 mi (860.47 km) |
