| Rockwall to Cloverleaf (Texas) | 228.69 mi (368.04 km) |
| Rockwall to Cloverly (Maryland) | 1,164.55 mi (1,874.17 km) |
| Rockwall to Clovis (California) | 1,341.58 mi (2,159.06 km) |
| Rockwall to Clovis (New Mexico) | 402.26 mi (647.37 km) |
| Rockwall to Clute (Texas) | 275.83 mi (443.90 km) |
| Rockwall to Coachella (California) | 1,137.46 mi (1,830.56 km) |
| Rockwall to Coalinga (California) | 1,374.22 mi (2,211.60 km) |
| Rockwall to Coamo (Puerto Rico) | 2,126.10 mi (3,421.63 km) |
| Rockwall to Coatesville (Pennsylvania) | 1,241.77 mi (1,998.44 km) |
| Rockwall to Cockeysville (Maryland) | 1,190.66 mi (1,916.18 km) |
| Rockwall to Cocoa (Florida) | 981.53 mi (1,579.62 km) |
| Rockwall to Cocoa Beach (Florida) | 990.71 mi (1,594.39 km) |
| Rockwall to Coconut Creek (Florida) | 1,077.05 mi (1,733.35 km) |
| Rockwall to Coeur d'Alene (Idaho) | 1,472.68 mi (2,370.04 km) |
| Rockwall to Cohoes (New York) | 1,408.34 mi (2,266.50 km) |
