| Porsgrunn to Nevers | 879.65 mi (1,415.66 km) |
| Porsgrunn to Nice | 1,069.90 mi (1,721.83 km) |
| Porsgrunn to Nimes | 1,079.54 mi (1,737.35 km) |
| Porsgrunn to Niort | 978.32 mi (1,574.46 km) |
| Porsgrunn to Noeux-les-Mines | 658.53 mi (1,059.80 km) |
| Porsgrunn to Nogent-le-Rotrou | 827.96 mi (1,332.47 km) |
| Porsgrunn to Nogent-sur-Marne | 767.41 mi (1,235.03 km) |
| Porsgrunn to Nogent-sur-Oise | 739.20 mi (1,189.63 km) |
| Porsgrunn to Noisiel | 764.09 mi (1,229.69 km) |
| Porsgrunn to Noisy-le-Grand | 765.69 mi (1,232.25 km) |
| Porsgrunn to Noisy-le-Sec | 764.54 mi (1,230.41 km) |
| Porsgrunn to Nort-sur-Erdre | 927.40 mi (1,492.51 km) |
| Porsgrunn to Notre-Dame-de-Gravenchon | 758.80 mi (1,221.16 km) |
| Porsgrunn to Noyon | 711.21 mi (1,144.57 km) |
| Porsgrunn to Obernai | 741.57 mi (1,193.44 km) |
