| Porsgrunn to Murray (Kentucky) | 4,351.51 mi (7,003.08 km) |
| Porsgrunn to Murray (Utah) | 4,781.66 mi (7,695.33 km) |
| Porsgrunn to Murraysville (North Carolina) | 4,138.15 mi (6,659.72 km) |
| Porsgrunn to Murrieta (California) | 5,349.31 mi (8,608.88 km) |
| Porsgrunn to Murrysville (Pennsylvania) | 3,860.27 mi (6,212.51 km) |
| Porsgrunn to Muscatine (Iowa) | 4,164.87 mi (6,702.71 km) |
| Porsgrunn to Muscle Shoals (Alabama) | 4,436.05 mi (7,139.13 km) |
| Porsgrunn to Muscoy (California) | 5,316.52 mi (8,556.12 km) |
| Porsgrunn to Muskego (Wisconsin) | 3,994.20 mi (6,428.04 km) |
| Porsgrunn to Muskegon (Michigan) | 3,918.11 mi (6,305.59 km) |
| Porsgrunn to Muskogee (Oklahoma) | 4,619.38 mi (7,434.18 km) |
| Porsgrunn to Mustang (Oklahoma) | 4,710.90 mi (7,581.46 km) |
| Porsgrunn to Myers Corner (New York) | 3,608.71 mi (5,807.66 km) |
| Porsgrunn to Myrtle Beach (South Carolina) | 4,205.85 mi (6,768.66 km) |
| Porsgrunn to Myrtle Grove (Florida) | 4,673.41 mi (7,521.12 km) |
