| Saint-Louis to Carlsbad (New Mexico) | 5,485.49 mi (8,828.04 km) |
| Saint-Louis to Carmel (Indiana) | 4,411.50 mi (7,099.62 km) |
| Saint-Louis to Carmichael (California) | 5,701.74 mi (9,176.07 km) |
| Saint-Louis to Carney (Maryland) | 4,042.78 mi (6,506.23 km) |
| Saint-Louis to Carnot-Moon (Pennsylvania) | 4,147.95 mi (6,675.48 km) |
| Saint-Louis to Carol Stream (Illinois) | 4,399.75 mi (7,080.71 km) |
| Saint-Louis to Carolina (Puerto Rico) | 4,527.13 mi (7,285.71 km) |
| Saint-Louis to Carolina Forest (South Carolina) | 4,393.81 mi (7,071.15 km) |
| Saint-Louis to Carpentersville (Illinois) | 4,396.48 mi (7,075.46 km) |
| Saint-Louis to Carpinteria (California) | 5,895.21 mi (9,487.43 km) |
| Saint-Louis to Carrboro (North Carolina) | 4,303.58 mi (6,925.94 km) |
| Saint-Louis to Carroll (Iowa) | 4,645.67 mi (7,476.48 km) |
| Saint-Louis to Carrollton (Georgia) | 4,665.10 mi (7,507.75 km) |
| Saint-Louis to Carrollton (Texas) | 5,174.46 mi (8,327.49 km) |
| Saint-Louis to Carrollwood (Florida) | 4,818.05 mi (7,753.90 km) |
