| Apex to Culpeper (Virginia) | 195.80 mi (315.10 km) |
| Apex to Culver City (California) | 2,228.57 mi (3,586.54 km) |
| Apex to Cumberland (Maryland) | 271.46 mi (436.87 km) |
| Apex to Cupertino (California) | 2,378.76 mi (3,828.25 km) |
| Apex to Cutler Bay (Florida) | 706.43 mi (1,136.90 km) |
| Apex to Cutlerville (Michigan) | 611.09 mi (983.45 km) |
| Apex to Cuyahoga Falls (Ohio) | 402.19 mi (647.27 km) |
| Apex to Cypress (California) | 2,211.99 mi (3,559.86 km) |
| Apex to Cypress Gardens (Florida) | 558.26 mi (898.43 km) |
| Apex to Cypress Lake (Florida) | 659.22 mi (1,060.92 km) |
| Apex to D'Iberville (Mississippi) | 683.93 mi (1,100.68 km) |
| Apex to Dakota Ridge (Colorado) | 1,455.72 mi (2,342.75 km) |
| Apex to Dale City (Virginia) | 218.81 mi (352.14 km) |
| Apex to Dallas (Georgia) | 360.73 mi (580.54 km) |
| Apex to Dallas (Oregon) | 2,393.41 mi (3,851.83 km) |
