| Porsgrunn to Moulins | 906.11 mi (1,458.24 km) |
| Porsgrunn to Mouvaux | 636.40 mi (1,024.18 km) |
| Porsgrunn to Mulhouse | 791.20 mi (1,273.31 km) |
| Porsgrunn to Muret | 1,138.57 mi (1,832.35 km) |
| Porsgrunn to Nancy | 733.99 mi (1,181.24 km) |
| Porsgrunn to Nangis | 778.13 mi (1,252.27 km) |
| Porsgrunn to Nanterre | 767.88 mi (1,235.78 km) |
| Porsgrunn to Nantes | 942.31 mi (1,516.51 km) |
| Porsgrunn to Narbonne | 1,137.14 mi (1,830.05 km) |
| Porsgrunn to Nemours | 801.50 mi (1,289.89 km) |
| Porsgrunn to Neuilly-Plaisance | 765.47 mi (1,231.91 km) |
| Porsgrunn to Neuilly-sur-Marne | 765.36 mi (1,231.73 km) |
| Porsgrunn to Neuilly-sur-Seine | 767.44 mi (1,235.08 km) |
| Porsgrunn to Neuville-en-Ferrain | 633.33 mi (1,019.24 km) |
| Porsgrunn to Neuville-les-Dieppe | 721.35 mi (1,160.91 km) |
