| Isernia to Clermont (Florida) | 5,222.48 mi (8,404.77 km) |
| Isernia to Cleveland (Mississippi) | 5,388.02 mi (8,671.18 km) |
| Isernia to Cleveland (Ohio) | 4,666.88 mi (7,510.61 km) |
| Isernia to Cleveland (Tennessee) | 5,071.05 mi (8,161.06 km) |
| Isernia to Cleveland Heights (Ohio) | 4,660.58 mi (7,500.47 km) |
| Isernia to Cliffside Park (New Jersey) | 4,363.74 mi (7,022.77 km) |
| Isernia to Clifton (Colorado) | 5,802.26 mi (9,337.84 km) |
| Isernia to Clifton (New Jersey) | 4,369.63 mi (7,032.23 km) |
| Isernia to Clinton (Iowa) | 4,997.12 mi (8,042.08 km) |
| Isernia to Clinton (Maryland) | 4,572.33 mi (7,358.46 km) |
| Isernia to Clinton (Mississippi) | 5,436.19 mi (8,748.71 km) |
| Isernia to Clinton (Utah) | 5,808.40 mi (9,347.71 km) |
| Isernia to Clive (Iowa) | 5,144.96 mi (8,280.02 km) |
| Isernia to Cloquet (Minnesota) | 4,862.67 mi (7,825.71 km) |
| Isernia to Cloverleaf (Texas) | 5,765.46 mi (9,278.61 km) |
