| Port Neches to Conyers (Georgia) | 636.89 mi (1,024.97 km) |
| Port Neches to Cookeville (Tennessee) | 647.88 mi (1,042.67 km) |
| Port Neches to Coolidge (Arizona) | 1,054.78 mi (1,697.50 km) |
| Port Neches to Coon Rapids (Minnesota) | 1,050.72 mi (1,690.97 km) |
| Port Neches to Cooper City (Florida) | 875.66 mi (1,409.24 km) |
| Port Neches to Coos Bay (Oregon) | 1,901.60 mi (3,060.33 km) |
| Port Neches to Copiague (New York) | 1,368.89 mi (2,203.01 km) |
| Port Neches to Coppell (Texas) | 273.45 mi (440.07 km) |
| Port Neches to Copperas Cove (Texas) | 248.95 mi (400.64 km) |
| Port Neches to Coral Gables (Florida) | 885.33 mi (1,424.81 km) |
| Port Neches to Coral Springs (Florida) | 871.76 mi (1,402.97 km) |
| Port Neches to Coral Terrace (Florida) | 882.28 mi (1,419.90 km) |
| Port Neches to Coralville (Iowa) | 820.47 mi (1,320.42 km) |
| Port Neches to Coram (New York) | 1,393.44 mi (2,242.53 km) |
| Port Neches to Corcoran (California) | 1,537.53 mi (2,474.42 km) |
