| Porsgrunn to Neustadt bei Coburg | 609.67 mi (981.17 km) |
| Porsgrunn to Neustadt in Holstein | 348.58 mi (560.98 km) |
| Porsgrunn to Neustrelitz | 417.56 mi (672.00 km) |
| Porsgrunn to Neutraubling | 706.46 mi (1,136.94 km) |
| Porsgrunn to Neuwied | 606.78 mi (976.51 km) |
| Porsgrunn to Neviges | 548.84 mi (883.27 km) |
| Porsgrunn to Nidda | 601.95 mi (968.74 km) |
| Porsgrunn to Nidderau | 613.40 mi (987.16 km) |
| Porsgrunn to Nideggen | 595.24 mi (957.95 km) |
| Porsgrunn to Niebull | 300.83 mi (484.14 km) |
| Porsgrunn to Nieder-Olm | 638.99 mi (1,028.35 km) |
| Porsgrunn to Niederkassel | 583.02 mi (938.28 km) |
| Porsgrunn to Niederkruchten | 563.88 mi (907.48 km) |
| Porsgrunn to Niedernhausen | 621.12 mi (999.60 km) |
| Porsgrunn to Niederwerrn | 625.50 mi (1,006.65 km) |
