| Port Neches to Caltagirone | 5,885.49 mi (9,471.78 km) |
| Port Neches to Caltanissetta | 5,855.23 mi (9,423.08 km) |
| Port Neches to Calvisano | 5,400.39 mi (8,691.09 km) |
| Port Neches to Calvizzano | 5,728.61 mi (9,219.31 km) |
| Port Neches to Camaiore | 5,448.92 mi (8,769.18 km) |
| Port Neches to Cameri | 5,324.17 mi (8,568.43 km) |
| Port Neches to Camisano Vicentino | 5,451.11 mi (8,772.71 km) |
| Port Neches to Campagna | 5,777.33 mi (9,297.71 km) |
| Port Neches to Campagnano di Roma | 5,603.99 mi (9,018.75 km) |
| Port Neches to Campi Bisenzio | 5,488.53 mi (8,832.94 km) |
| Port Neches to Campi Salentina | 5,912.82 mi (9,515.77 km) |
| Port Neches to Campiglia Marittima | 5,493.61 mi (8,841.11 km) |
| Port Neches to Campobasso | 5,723.62 mi (9,211.28 km) |
| Port Neches to Campobello di Licata | 5,857.92 mi (9,427.42 km) |
| Port Neches to Campobello di Mazara | 5,790.00 mi (9,318.10 km) |
