| Port Neches to Celano | 5,656.19 mi (9,102.76 km) |
| Port Neches to Cento | 5,461.59 mi (8,789.58 km) |
| Port Neches to Cepagatti | 5,667.19 mi (9,120.46 km) |
| Port Neches to Ceprano | 5,674.87 mi (9,132.82 km) |
| Port Neches to Cercola | 5,737.12 mi (9,232.99 km) |
| Port Neches to Cerea | 5,441.93 mi (8,757.94 km) |
| Port Neches to Cerese | 5,427.91 mi (8,735.37 km) |
| Port Neches to Cerignola | 5,788.00 mi (9,314.89 km) |
| Port Neches to Cermenate | 5,335.42 mi (8,586.53 km) |
| Port Neches to Cernusco sul Naviglio | 5,352.23 mi (8,613.59 km) |
| Port Neches to Cerreto Guidi | 5,479.72 mi (8,818.76 km) |
| Port Neches to Cerro Maggiore | 5,333.31 mi (8,583.13 km) |
| Port Neches to Certaldo | 5,494.37 mi (8,842.33 km) |
| Port Neches to Cerveteri | 5,596.72 mi (9,007.05 km) |
| Port Neches to Cervia | 5,523.80 mi (8,889.69 km) |
