| Port Neches to Jeffersontown (Kentucky) | 742.86 mi (1,195.52 km) |
| Port Neches to Jeffersonville (Indiana) | 744.85 mi (1,198.72 km) |
| Port Neches to Jenison (Michigan) | 999.67 mi (1,608.82 km) |
| Port Neches to Jenks (Oklahoma) | 432.30 mi (695.71 km) |
| Port Neches to Jennings (Missouri) | 639.62 mi (1,029.36 km) |
| Port Neches to Jensen Beach (Florida) | 851.80 mi (1,370.85 km) |
| Port Neches to Jericho (New York) | 1,365.48 mi (2,197.53 km) |
| Port Neches to Jerome (Idaho) | 1,437.43 mi (2,313.32 km) |
| Port Neches to Jersey City (New Jersey) | 1,338.75 mi (2,154.50 km) |
| Port Neches to Jessup (Maryland) | 1,161.32 mi (1,868.96 km) |
| Port Neches to Johns Creek (Georgia) | 635.56 mi (1,022.84 km) |
| Port Neches to Johnson City (New York) | 1,304.16 mi (2,098.85 km) |
| Port Neches to Johnson City (Tennessee) | 799.60 mi (1,286.83 km) |
| Port Neches to Johnston (Iowa) | 809.49 mi (1,302.75 km) |
| Port Neches to Johnstown (Colorado) | 947.05 mi (1,524.12 km) |
