| Apex to Chantilly (Virginia) | 232.22 mi (373.73 km) |
| Apex to Chaparral (New Mexico) | 1,594.16 mi (2,565.55 km) |
| Apex to Chapel Hill (North Carolina) | 16.81 mi (27.06 km) |
| Apex to Charleston (Illinois) | 571.32 mi (919.45 km) |
| Apex to Charleston (South Carolina) | 210.34 mi (338.51 km) |
| Apex to Charleston (West Virginia) | 236.67 mi (380.88 km) |
| Apex to Charlotte (North Carolina) | 115.69 mi (186.18 km) |
| Apex to Charlottesville (Virginia) | 161.31 mi (259.60 km) |
| Apex to Chaska (Minnesota) | 996.35 mi (1,603.47 km) |
| Apex to Chatham (Illinois) | 650.79 mi (1,047.35 km) |
| Apex to Chattanooga (Tennessee) | 361.79 mi (582.25 km) |
| Apex to Cheat Lake (West Virginia) | 277.69 mi (446.90 km) |
| Apex to Chelsea (Alabama) | 471.37 mi (758.60 km) |
| Apex to Chelsea (Massachusetts) | 623.55 mi (1,003.51 km) |
| Apex to Cheney (Washington) | 2,131.56 mi (3,430.42 km) |
