| Porsgrunn to Dabuleni | 1,220.10 mi (1,963.56 km) |
| Porsgrunn to Darabani | 1,017.99 mi (1,638.30 km) |
| Porsgrunn to Darmanesti | 1,119.27 mi (1,801.29 km) |
| Porsgrunn to Dej | 1,011.70 mi (1,628.18 km) |
| Porsgrunn to Deva | 1,065.74 mi (1,715.14 km) |
| Porsgrunn to Dolhasca | 1,061.29 mi (1,707.98 km) |
| Porsgrunn to Dorohoi | 1,025.66 mi (1,650.65 km) |
| Porsgrunn to Draganesti-Olt | 1,206.43 mi (1,941.57 km) |
| Porsgrunn to Dragasani | 1,170.09 mi (1,883.08 km) |
| Porsgrunn to Drobeta-Turnu Severin | 1,138.24 mi (1,831.82 km) |
| Porsgrunn to Fagaras | 1,113.80 mi (1,792.49 km) |
| Porsgrunn to Falticeni | 1,051.50 mi (1,692.22 km) |
| Porsgrunn to Fetesti | 1,268.57 mi (2,041.57 km) |
| Porsgrunn to Filiasi | 1,170.62 mi (1,883.93 km) |
| Porsgrunn to Flamanzi | 1,061.30 mi (1,707.99 km) |
