| Apex to Cookeville (Tennessee) | 372.35 mi (599.25 km) |
| Apex to Coolidge (Arizona) | 1,864.33 mi (3,000.35 km) |
| Apex to Coon Rapids (Minnesota) | 998.54 mi (1,606.99 km) |
| Apex to Cooper City (Florida) | 673.84 mi (1,084.44 km) |
| Apex to Coos Bay (Oregon) | 2,442.40 mi (3,930.66 km) |
| Apex to Copiague (New York) | 453.05 mi (729.12 km) |
| Apex to Coppell (Texas) | 1,049.33 mi (1,688.74 km) |
| Apex to Copperas Cove (Texas) | 1,141.01 mi (1,836.27 km) |
| Apex to Coral Gables (Florida) | 697.25 mi (1,122.11 km) |
| Apex to Coral Springs (Florida) | 658.28 mi (1,059.40 km) |
| Apex to Coral Terrace (Florida) | 694.55 mi (1,117.78 km) |
| Apex to Coralville (Iowa) | 799.32 mi (1,286.39 km) |
| Apex to Coram (New York) | 477.49 mi (768.45 km) |
| Apex to Corcoran (California) | 2,260.23 mi (3,637.49 km) |
| Apex to Cordele (Georgia) | 382.87 mi (616.18 km) |
