| Porsgrunn to Mions | 950.28 mi (1,529.32 km) |
| Porsgrunn to Mios | 1,097.59 mi (1,766.41 km) |
| Porsgrunn to Miramas | 1,091.65 mi (1,756.84 km) |
| Porsgrunn to Miribel | 939.31 mi (1,511.68 km) |
| Porsgrunn to Mitry-Mory | 755.86 mi (1,216.44 km) |
| Porsgrunn to Moissac | 1,099.06 mi (1,768.76 km) |
| Porsgrunn to Moissy-Cramayel | 779.56 mi (1,254.58 km) |
| Porsgrunn to Molsheim | 735.98 mi (1,184.45 km) |
| Porsgrunn to Mondeville | 795.98 mi (1,281.00 km) |
| Porsgrunn to Monistrol-sur-Loire | 982.62 mi (1,581.37 km) |
| Porsgrunn to Mons-en-Baroeul | 641.15 mi (1,031.84 km) |
| Porsgrunn to Mont-de-Marsan | 1,136.95 mi (1,829.74 km) |
| Porsgrunn to Mont-Saint-Aignan | 750.78 mi (1,208.27 km) |
| Porsgrunn to Mont-Saint-Martin | 679.96 mi (1,094.29 km) |
| Porsgrunn to Montargis | 818.81 mi (1,317.74 km) |
