| Saint-Louis to Cloverly (Maryland) | 4,075.55 mi (6,558.97 km) |
| Saint-Louis to Clovis (California) | 5,759.01 mi (9,268.23 km) |
| Saint-Louis to Clovis (New Mexico) | 5,338.84 mi (8,592.04 km) |
| Saint-Louis to Clute (Texas) | 5,316.29 mi (8,555.75 km) |
| Saint-Louis to Coachella (California) | 5,829.42 mi (9,381.55 km) |
| Saint-Louis to Coalinga (California) | 5,818.12 mi (9,363.35 km) |
| Saint-Louis to Coamo (Puerto Rico) | 4,561.05 mi (7,340.30 km) |
| Saint-Louis to Coatesville (Pennsylvania) | 3,988.66 mi (6,419.13 km) |
| Saint-Louis to Cockeysville (Maryland) | 4,044.01 mi (6,508.21 km) |
| Saint-Louis to Cocoa (Florida) | 4,725.74 mi (7,605.34 km) |
| Saint-Louis to Cocoa Beach (Florida) | 4,721.91 mi (7,599.17 km) |
| Saint-Louis to Coconut Creek (Florida) | 4,800.30 mi (7,725.34 km) |
| Saint-Louis to Coeur d'Alene (Idaho) | 5,053.83 mi (8,133.35 km) |
| Saint-Louis to Cohoes (New York) | 3,786.09 mi (6,093.13 km) |
| Saint-Louis to Cold Springs (Nevada) | 5,601.15 mi (9,014.18 km) |
