| Port Neches to Duluth (Minnesota) | 1,164.74 mi (1,874.46 km) |
| Port Neches to Dumas (Texas) | 617.31 mi (993.46 km) |
| Port Neches to Dumont (New Jersey) | 1,349.55 mi (2,171.89 km) |
| Port Neches to Duncan (Oklahoma) | 391.59 mi (630.20 km) |
| Port Neches to Duncanville (Texas) | 254.32 mi (409.28 km) |
| Port Neches to Dundalk (Maryland) | 1,178.64 mi (1,896.84 km) |
| Port Neches to Dunedin (Florida) | 687.29 mi (1,106.08 km) |
| Port Neches to Dunkirk (New York) | 1,183.89 mi (1,905.28 km) |
| Port Neches to Dunmore (Pennsylvania) | 1,292.84 mi (2,080.63 km) |
| Port Neches to Dunwoody (Georgia) | 627.29 mi (1,009.53 km) |
| Port Neches to Durango (Colorado) | 945.10 mi (1,520.99 km) |
| Port Neches to Durant (Oklahoma) | 312.44 mi (502.83 km) |
| Port Neches to Durham (North Carolina) | 964.07 mi (1,551.52 km) |
| Port Neches to Dyer (Indiana) | 873.40 mi (1,405.60 km) |
| Port Neches to Dyersburg (Tennessee) | 495.77 mi (797.86 km) |
