| Apex to Cloverly (Maryland) | 255.35 mi (410.94 km) |
| Apex to Clovis (California) | 2,256.95 mi (3,632.22 km) |
| Apex to Clovis (New Mexico) | 1,374.35 mi (2,211.80 km) |
| Apex to Clute (Texas) | 1,067.54 mi (1,718.04 km) |
| Apex to Coachella (California) | 2,108.83 mi (3,393.84 km) |
| Apex to Coalinga (California) | 2,301.10 mi (3,703.27 km) |
| Apex to Coamo (Puerto Rico) | 1,439.47 mi (2,316.60 km) |
| Apex to Coatesville (Pennsylvania) | 338.24 mi (544.35 km) |
| Apex to Cockeysville (Maryland) | 287.16 mi (462.13 km) |
| Apex to Cocoa (Florida) | 519.20 mi (835.57 km) |
| Apex to Cocoa Beach (Florida) | 520.86 mi (838.24 km) |
| Apex to Coconut Creek (Florida) | 657.05 mi (1,057.42 km) |
| Apex to Coeur d'Alene (Idaho) | 2,097.61 mi (3,375.78 km) |
| Apex to Cohoes (New York) | 559.78 mi (900.88 km) |
| Apex to Cold Springs (Nevada) | 2,243.77 mi (3,611.00 km) |
