| Port Glasgow to Dillenburg | 643.13 mi (1,035.01 km) |
| Port Glasgow to Dillingen | 815.65 mi (1,312.66 km) |
| Port Glasgow to Dillingen | 659.02 mi (1,060.59 km) |
| Port Glasgow to Dingolfing | 880.70 mi (1,417.36 km) |
| Port Glasgow to Dinkelsbuhl | 786.81 mi (1,266.25 km) |
| Port Glasgow to Dinklage | 563.08 mi (906.20 km) |
| Port Glasgow to Dinslaken | 554.73 mi (892.75 km) |
| Port Glasgow to Dippoldiswalde | 829.03 mi (1,334.19 km) |
| Port Glasgow to Ditzingen | 757.76 mi (1,219.50 km) |
| Port Glasgow to Dobeln | 800.33 mi (1,288.01 km) |
| Port Glasgow to Doberlug-Kirchhain | 799.94 mi (1,287.38 km) |
| Port Glasgow to Donaueschingen | 784.85 mi (1,263.09 km) |
| Port Glasgow to Donauworth | 820.26 mi (1,320.08 km) |
| Port Glasgow to Donzdorf | 788.85 mi (1,269.53 km) |
| Port Glasgow to Dorfen | 885.83 mi (1,425.61 km) |
