| Tucson Mountains to Cloverleaf (Texas) | 956.30 mi (1,539.02 km) |
| Tucson Mountains to Cloverly (Maryland) | 1,957.15 mi (3,149.74 km) |
| Tucson Mountains to Clovis (California) | 581.37 mi (935.63 km) |
| Tucson Mountains to Clovis (New Mexico) | 478.62 mi (770.27 km) |
| Tucson Mountains to Clute (Texas) | 957.77 mi (1,541.38 km) |
| Tucson Mountains to Coachella (California) | 309.25 mi (497.69 km) |
| Tucson Mountains to Coalinga (California) | 591.46 mi (951.86 km) |
| Tucson Mountains to Coamo (Puerto Rico) | 2,938.93 mi (4,729.74 km) |
| Tucson Mountains to Coatesville (Pennsylvania) | 2,023.75 mi (3,256.91 km) |
| Tucson Mountains to Cockeysville (Maryland) | 1,978.49 mi (3,184.07 km) |
| Tucson Mountains to Cocoa (Florida) | 1,821.38 mi (2,931.23 km) |
| Tucson Mountains to Cocoa Beach (Florida) | 1,830.51 mi (2,945.92 km) |
| Tucson Mountains to Coconut Creek (Florida) | 1,900.40 mi (3,058.39 km) |
| Tucson Mountains to Coeur d'Alene (Idaho) | 1,106.88 mi (1,781.35 km) |
| Tucson Mountains to Cohoes (New York) | 2,151.61 mi (3,462.68 km) |
