| Porsgrunn to Minervino Murge | 1,275.00 mi (2,051.92 km) |
| Porsgrunn to Minturno | 1,245.56 mi (2,004.54 km) |
| Porsgrunn to Mira | 950.44 mi (1,529.59 km) |
| Porsgrunn to Mirandola | 984.72 mi (1,584.75 km) |
| Porsgrunn to Mirano | 946.00 mi (1,522.43 km) |
| Porsgrunn to Misano Adriatico | 1,054.28 mi (1,696.70 km) |
| Porsgrunn to Misilmeri | 1,466.09 mi (2,359.45 km) |
| Porsgrunn to Missaglia | 927.06 mi (1,491.96 km) |
| Porsgrunn to Misterbianco | 1,510.82 mi (2,431.43 km) |
| Porsgrunn to Modena | 1,001.07 mi (1,611.06 km) |
| Porsgrunn to Modica | 1,553.81 mi (2,500.61 km) |
| Porsgrunn to Modugno | 1,283.03 mi (2,064.84 km) |
| Porsgrunn to Mogliano Veneto | 942.35 mi (1,516.57 km) |
| Porsgrunn to Molfetta | 1,273.25 mi (2,049.10 km) |
| Porsgrunn to Molinella | 1,005.14 mi (1,617.62 km) |
