| Port Neches to Clarksdale (Mississippi) | 352.02 mi (566.52 km) |
| Port Neches to Clarkston (Georgia) | 627.61 mi (1,010.05 km) |
| Port Neches to Clarksville (Indiana) | 741.72 mi (1,193.68 km) |
| Port Neches to Clarksville (Tennessee) | 593.83 mi (955.68 km) |
| Port Neches to Clawson (Michigan) | 1,053.91 mi (1,696.10 km) |
| Port Neches to Clay (Alabama) | 501.28 mi (806.73 km) |
| Port Neches to Clayton (California) | 1,687.83 mi (2,716.31 km) |
| Port Neches to Clayton (Missouri) | 633.29 mi (1,019.18 km) |
| Port Neches to Clayton (North Carolina) | 980.22 mi (1,577.51 km) |
| Port Neches to Clayton (Ohio) | 872.89 mi (1,404.77 km) |
| Port Neches to Clearfield (Utah) | 1,269.99 mi (2,043.85 km) |
| Port Neches to Clearlake (California) | 1,739.01 mi (2,798.66 km) |
| Port Neches to Clearwater (Florida) | 689.61 mi (1,109.82 km) |
| Port Neches to Cleburne (Texas) | 262.87 mi (423.04 km) |
| Port Neches to Clemmons (North Carolina) | 888.94 mi (1,430.62 km) |
