| Port Neches to Dixon (California) | 1,689.05 mi (2,718.26 km) |
| Port Neches to Dixon (Illinois) | 856.87 mi (1,378.99 km) |
| Port Neches to Dobbs Ferry (New York) | 1,357.38 mi (2,184.49 km) |
| Port Neches to Doctor Phillips (Florida) | 758.08 mi (1,220.02 km) |
| Port Neches to Dodge City (Kansas) | 640.45 mi (1,030.71 km) |
| Port Neches to Dolton (Illinois) | 879.49 mi (1,415.41 km) |
| Port Neches to Donna (Texas) | 364.37 mi (586.39 km) |
| Port Neches to Dorado (Puerto Rico) | 1,909.56 mi (3,073.14 km) |
| Port Neches to Doral (Florida) | 877.51 mi (1,412.21 km) |
| Port Neches to Doraville (Georgia) | 628.53 mi (1,011.51 km) |
| Port Neches to Dothan (Alabama) | 515.03 mi (828.86 km) |
| Port Neches to Douglas (Arizona) | 930.84 mi (1,498.05 km) |
| Port Neches to Douglas (Georgia) | 666.79 mi (1,073.09 km) |
| Port Neches to Douglasville (Georgia) | 601.02 mi (967.25 km) |
| Port Neches to Dover (Delaware) | 1,221.84 mi (1,966.36 km) |
