| Porsgrunn to Cutrofiano | 1,364.04 mi (2,195.21 km) |
| Porsgrunn to Dalmine | 930.39 mi (1,497.32 km) |
| Porsgrunn to Deruta | 1,120.59 mi (1,803.41 km) |
| Porsgrunn to Desenzano del Garda | 943.52 mi (1,518.45 km) |
| Porsgrunn to Desio | 932.91 mi (1,501.37 km) |
| Porsgrunn to Dolianova | 1,363.57 mi (2,194.45 km) |
| Porsgrunn to Dolo | 950.92 mi (1,530.36 km) |
| Porsgrunn to Domodossola | 900.10 mi (1,448.57 km) |
| Porsgrunn to Dorgali | 1,300.04 mi (2,092.22 km) |
| Porsgrunn to Dueville | 934.67 mi (1,504.21 km) |
| Porsgrunn to Eboli | 1,299.12 mi (2,090.73 km) |
| Porsgrunn to Elmas | 1,371.73 mi (2,207.59 km) |
| Porsgrunn to Empoli | 1,065.26 mi (1,714.36 km) |
| Porsgrunn to Enna | 1,502.98 mi (2,418.80 km) |
| Porsgrunn to Eraclea | 943.14 mi (1,517.83 km) |
