| Port Neches to Dillenburg | 5,133.25 mi (8,261.16 km) |
| Port Neches to Dillingen | 5,291.85 mi (8,516.41 km) |
| Port Neches to Dillingen | 5,117.54 mi (8,235.88 km) |
| Port Neches to Dingolfing | 5,369.04 mi (8,640.64 km) |
| Port Neches to Dinkelsbuhl | 5,268.49 mi (8,478.82 km) |
| Port Neches to Dinklage | 5,064.60 mi (8,150.68 km) |
| Port Neches to Dinslaken | 5,046.97 mi (8,122.32 km) |
| Port Neches to Dippoldiswalde | 5,330.61 mi (8,578.79 km) |
| Port Neches to Ditzingen | 5,227.56 mi (8,412.94 km) |
| Port Neches to Dobeln | 5,301.91 mi (8,532.60 km) |
| Port Neches to Doberlug-Kirchhain | 5,300.44 mi (8,530.23 km) |
| Port Neches to Donaueschingen | 5,234.57 mi (8,424.22 km) |
| Port Neches to Donauworth | 5,300.29 mi (8,529.99 km) |
| Port Neches to Donzdorf | 5,262.14 mi (8,468.59 km) |
| Port Neches to Dorfen | 5,368.69 mi (8,640.07 km) |
