| Saint-Louis to Clarkston (Georgia) | 4,618.81 mi (7,433.26 km) |
| Saint-Louis to Clarksville (Indiana) | 4,471.79 mi (7,196.65 km) |
| Saint-Louis to Clarksville (Tennessee) | 4,617.24 mi (7,430.72 km) |
| Saint-Louis to Clawson (Michigan) | 4,177.91 mi (6,723.70 km) |
| Saint-Louis to Clay (Alabama) | 4,723.45 mi (7,601.66 km) |
| Saint-Louis to Clayton (California) | 5,759.60 mi (9,269.18 km) |
| Saint-Louis to Clayton (Missouri) | 4,638.08 mi (7,464.26 km) |
| Saint-Louis to Clayton (North Carolina) | 4,288.33 mi (6,901.40 km) |
| Saint-Louis to Clayton (Ohio) | 4,343.30 mi (6,989.87 km) |
| Saint-Louis to Clearfield (Utah) | 5,281.67 mi (8,500.03 km) |
| Saint-Louis to Clearlake (California) | 5,719.39 mi (9,204.47 km) |
| Saint-Louis to Clearwater (Florida) | 4,832.68 mi (7,777.44 km) |
| Saint-Louis to Cleburne (Texas) | 5,226.92 mi (8,411.92 km) |
| Saint-Louis to Clemmons (North Carolina) | 4,353.86 mi (7,006.87 km) |
| Saint-Louis to Clemson (South Carolina) | 4,517.98 mi (7,270.99 km) |
