| Porsgrunn to Dobrovnik | 903.49 mi (1,454.02 km) |
| Porsgrunn to Dobrovo | 919.99 mi (1,480.58 km) |
| Porsgrunn to Dol | 922.96 mi (1,485.36 km) |
| Porsgrunn to Dolenjske Toplice | 949.50 mi (1,528.08 km) |
| Porsgrunn to Domzale | 919.07 mi (1,479.10 km) |
| Porsgrunn to Dornava | 913.50 mi (1,470.14 km) |
| Porsgrunn to Dragomer | 925.36 mi (1,489.22 km) |
| Porsgrunn to Dravograd | 892.66 mi (1,436.60 km) |
| Porsgrunn to Gorenja Vas | 917.37 mi (1,476.36 km) |
| Porsgrunn to Gorisnica | 915.44 mi (1,473.25 km) |
| Porsgrunn to Gornja Radgona | 897.59 mi (1,444.53 km) |
| Porsgrunn to Gornji Grad | 910.41 mi (1,465.16 km) |
| Porsgrunn to Gornji Petrovci | 891.63 mi (1,434.94 km) |
| Porsgrunn to Grad | 890.67 mi (1,433.39 km) |
| Porsgrunn to Grosuplje | 932.13 mi (1,500.11 km) |
