| Porsgrunn to Dillenburg | 581.89 mi (936.46 km) |
| Porsgrunn to Dillingen | 729.50 mi (1,174.01 km) |
| Porsgrunn to Dillingen | 685.19 mi (1,102.70 km) |
| Porsgrunn to Dingolfing | 732.95 mi (1,179.58 km) |
| Porsgrunn to Dinkelsbuhl | 694.46 mi (1,117.63 km) |
| Porsgrunn to Dinklage | 449.71 mi (723.74 km) |
| Porsgrunn to Dinslaken | 534.39 mi (860.03 km) |
| Porsgrunn to Dippoldiswalde | 589.08 mi (948.04 km) |
| Porsgrunn to Ditzingen | 711.39 mi (1,144.87 km) |
| Porsgrunn to Dobeln | 568.42 mi (914.79 km) |
| Porsgrunn to Doberlug-Kirchhain | 539.58 mi (868.36 km) |
| Porsgrunn to Donaueschingen | 772.81 mi (1,243.72 km) |
| Porsgrunn to Donauworth | 720.99 mi (1,160.32 km) |
| Porsgrunn to Donzdorf | 720.81 mi (1,160.04 km) |
| Porsgrunn to Dorfen | 756.07 mi (1,216.78 km) |
