| Formia to Clermont (Florida) | 5,203.30 mi (8,373.90 km) |
| Formia to Cleveland (Mississippi) | 5,374.66 mi (8,649.69 km) |
| Formia to Cleveland (Ohio) | 4,654.53 mi (7,490.74 km) |
| Formia to Cleveland (Tennessee) | 5,056.31 mi (8,137.35 km) |
| Formia to Cleveland Heights (Ohio) | 4,648.21 mi (7,480.57 km) |
| Formia to Cliffside Park (New Jersey) | 4,348.66 mi (6,998.49 km) |
| Formia to Clifton (Colorado) | 5,798.45 mi (9,331.70 km) |
| Formia to Clifton (New Jersey) | 4,354.62 mi (7,008.08 km) |
| Formia to Clinton (Iowa) | 4,987.78 mi (8,027.06 km) |
| Formia to Clinton (Maryland) | 4,556.91 mi (7,333.64 km) |
| Formia to Clinton (Mississippi) | 5,422.01 mi (8,725.88 km) |
| Formia to Clinton (Utah) | 5,806.98 mi (9,345.43 km) |
| Formia to Clive (Iowa) | 5,136.74 mi (8,266.78 km) |
| Formia to Cloquet (Minnesota) | 4,856.76 mi (7,816.20 km) |
| Formia to Cloverleaf (Texas) | 5,751.92 mi (9,256.82 km) |
