| Port Neches to Corato | 5,813.90 mi (9,356.57 km) |
| Port Neches to Corbetta | 5,336.52 mi (8,588.30 km) |
| Port Neches to Corciano | 5,562.47 mi (8,951.93 km) |
| Port Neches to Cordenons | 5,474.17 mi (8,809.82 km) |
| Port Neches to Cori | 5,645.20 mi (9,085.06 km) |
| Port Neches to Coriano | 5,544.85 mi (8,923.57 km) |
| Port Neches to Corigliano Calabro | 5,880.90 mi (9,464.39 km) |
| Port Neches to Corleone | 5,808.04 mi (9,347.13 km) |
| Port Neches to Cormano | 5,344.11 mi (8,600.51 km) |
| Port Neches to Cornaredo | 5,340.26 mi (8,594.31 km) |
| Port Neches to Cornate d'Adda | 5,353.16 mi (8,615.07 km) |
| Port Neches to Cornedo Vicentino | 5,432.39 mi (8,742.58 km) |
| Port Neches to Correggio | 5,439.29 mi (8,753.69 km) |
| Port Neches to Corridonia | 5,610.26 mi (9,028.84 km) |
| Port Neches to Corsico | 5,346.06 mi (8,603.66 km) |
