| Port Neches to Cordele (Georgia) | 617.97 mi (994.52 km) |
| Port Neches to Corinth (Mississippi) | 466.98 mi (751.53 km) |
| Port Neches to Corinth (Texas) | 285.74 mi (459.86 km) |
| Port Neches to Cornelius (North Carolina) | 848.04 mi (1,364.78 km) |
| Port Neches to Cornelius (Oregon) | 1,901.93 mi (3,060.86 km) |
| Port Neches to Corning (New York) | 1,259.40 mi (2,026.82 km) |
| Port Neches to Corona (California) | 1,407.64 mi (2,265.38 km) |
| Port Neches to Coronado (California) | 1,379.95 mi (2,220.82 km) |
| Port Neches to Corpus Christi (Texas) | 259.39 mi (417.45 km) |
| Port Neches to Corsicana (Texas) | 208.41 mi (335.41 km) |
| Port Neches to Cortland (New York) | 1,314.06 mi (2,114.78 km) |
| Port Neches to Corvallis (Oregon) | 1,886.19 mi (3,035.53 km) |
| Port Neches to Coshocton (Ohio) | 984.27 mi (1,584.03 km) |
| Port Neches to Costa Mesa (California) | 1,426.65 mi (2,295.97 km) |
| Port Neches to Coto de Caza (California) | 1,407.53 mi (2,265.20 km) |
