| Ada to Cloverly (Maryland) | 4,653.75 mi (7,489.49 km) |
| Ada to Clovis (California) | 6,204.96 mi (9,985.92 km) |
| Ada to Clovis (New Mexico) | 5,863.51 mi (9,436.41 km) |
| Ada to Clute (Texas) | 5,881.07 mi (9,464.66 km) |
| Ada to Coachella (California) | 6,303.65 mi (10,144.74 km) |
| Ada to Coalinga (California) | 6,263.27 mi (10,079.75 km) |
| Ada to Coamo (Puerto Rico) | 5,165.09 mi (8,312.41 km) |
| Ada to Coatesville (Pennsylvania) | 4,566.50 mi (7,349.07 km) |
| Ada to Cockeysville (Maryland) | 4,621.83 mi (7,438.11 km) |
| Ada to Cocoa (Florida) | 5,320.84 mi (8,563.07 km) |
| Ada to Cocoa Beach (Florida) | 5,317.28 mi (8,557.33 km) |
| Ada to Coconut Creek (Florida) | 5,399.18 mi (8,689.15 km) |
| Ada to Coeur d'Alene (Idaho) | 5,471.44 mi (8,805.44 km) |
| Ada to Cohoes (New York) | 4,359.18 mi (7,015.42 km) |
| Ada to Cold Springs (Nevada) | 6,035.22 mi (9,712.75 km) |
