| Porsgrunn to Nederweert | 562.99 mi (906.04 km) |
| Porsgrunn to Neerijnen | 531.89 mi (856.00 km) |
| Porsgrunn to Nieuw-Lekkerland | 536.66 mi (863.68 km) |
| Porsgrunn to Nieuw-Vennep | 512.63 mi (824.99 km) |
| Porsgrunn to Nieuwegein | 521.34 mi (839.01 km) |
| Porsgrunn to Nieuwkoop | 515.95 mi (830.34 km) |
| Porsgrunn to Nieuwleusen | 470.34 mi (756.95 km) |
| Porsgrunn to Nijkerk | 502.98 mi (809.47 km) |
| Porsgrunn to Nijmegen | 524.07 mi (843.40 km) |
| Porsgrunn to Nijverdal | 482.92 mi (777.19 km) |
| Porsgrunn to Noordwijk | 517.68 mi (833.12 km) |
| Porsgrunn to Noordwijkerhout | 514.50 mi (828.02 km) |
| Porsgrunn to Nootdorp | 531.08 mi (854.69 km) |
| Porsgrunn to Nuenen | 552.58 mi (889.29 km) |
| Porsgrunn to Nunspeet | 489.37 mi (787.56 km) |
