| Port Neches to Carmona | 4,911.44 mi (7,904.19 km) |
| Port Neches to Cartagena | 5,138.70 mi (8,269.94 km) |
| Port Neches to Cartama | 4,983.20 mi (8,019.69 km) |
| Port Neches to Cartaya | 4,840.05 mi (7,789.30 km) |
| Port Neches to Caspe | 5,074.79 mi (8,167.09 km) |
| Port Neches to Cassa de la Selva | 5,189.32 mi (8,351.41 km) |
| Port Neches to Castalla | 5,123.69 mi (8,245.78 km) |
| Port Neches to Castellbisbal | 5,161.19 mi (8,306.13 km) |
| Port Neches to Castelldefels | 5,167.05 mi (8,315.56 km) |
| Port Neches to Castello de Ampurias | 5,186.84 mi (8,347.42 km) |
| Port Neches to Castellon de la Plana | 5,112.40 mi (8,227.61 km) |
| Port Neches to Castilleja de la Cuesta | 4,892.81 mi (7,874.21 km) |
| Port Neches to Catarroja | 5,112.18 mi (8,227.26 km) |
| Port Neches to Catral | 5,130.40 mi (8,256.58 km) |
| Port Neches to Caudete | 5,105.03 mi (8,215.76 km) |
