| Porsgrunn to Merrick (New York) | 3,647.30 mi (5,869.76 km) |
| Porsgrunn to Merrifield (Virginia) | 3,866.08 mi (6,221.85 km) |
| Porsgrunn to Merrillville (Indiana) | 4,047.57 mi (6,513.93 km) |
| Porsgrunn to Merritt Island (Florida) | 4,571.82 mi (7,357.63 km) |
| Porsgrunn to Mesa (Arizona) | 5,222.19 mi (8,404.30 km) |
| Porsgrunn to Mesquite (Nevada) | 5,073.35 mi (8,164.77 km) |
| Porsgrunn to Mesquite (Texas) | 4,831.28 mi (7,775.19 km) |
| Porsgrunn to Metairie (Louisiana) | 4,791.30 mi (7,710.86 km) |
| Porsgrunn to Methuen Town (Massachusetts) | 3,458.67 mi (5,566.20 km) |
| Porsgrunn to Metuchen (New Jersey) | 3,680.21 mi (5,922.73 km) |
| Porsgrunn to Mexico (Missouri) | 4,316.88 mi (6,947.34 km) |
| Porsgrunn to Miami (Florida) | 4,701.16 mi (7,565.79 km) |
| Porsgrunn to Miami (Oklahoma) | 4,538.27 mi (7,303.64 km) |
| Porsgrunn to Miami Beach (Florida) | 4,696.83 mi (7,558.82 km) |
| Porsgrunn to Miami Gardens (Florida) | 4,693.12 mi (7,552.84 km) |
