| Formia to Chantilly (Virginia) | 4,575.38 mi (7,363.37 km) |
| Formia to Chaparral (New Mexico) | 6,095.00 mi (9,808.95 km) |
| Formia to Chapel Hill (North Carolina) | 4,765.60 mi (7,669.50 km) |
| Formia to Charleston (Illinois) | 5,008.82 mi (8,060.91 km) |
| Formia to Charleston (South Carolina) | 4,937.47 mi (7,946.10 km) |
| Formia to Charleston (West Virginia) | 4,780.46 mi (7,693.41 km) |
| Formia to Charlotte (North Carolina) | 4,875.92 mi (7,847.03 km) |
| Formia to Charlottesville (Virginia) | 4,655.18 mi (7,491.79 km) |
| Formia to Chaska (Minnesota) | 4,983.17 mi (8,019.63 km) |
| Formia to Chatham (Illinois) | 5,062.39 mi (8,147.13 km) |
| Formia to Chattanooga (Tennessee) | 5,077.90 mi (8,172.09 km) |
| Formia to Cheat Lake (West Virginia) | 4,649.72 mi (7,483.01 km) |
| Formia to Chelsea (Alabama) | 5,215.45 mi (8,393.46 km) |
| Formia to Chelsea (Massachusetts) | 4,161.69 mi (6,697.59 km) |
| Formia to Cheney (Washington) | 5,615.59 mi (9,037.42 km) |
