| Porsgrunn to Marietta (Georgia) | 4,380.55 mi (7,049.81 km) |
| Porsgrunn to Marietta (Ohio) | 3,974.25 mi (6,395.94 km) |
| Porsgrunn to Marina (California) | 5,259.39 mi (8,464.17 km) |
| Porsgrunn to Marinette (Wisconsin) | 3,858.48 mi (6,209.62 km) |
| Porsgrunn to Marion (Arkansas) | 4,491.52 mi (7,228.41 km) |
| Porsgrunn to Marion (Illinois) | 4,307.58 mi (6,932.38 km) |
| Porsgrunn to Marion (Indiana) | 4,046.96 mi (6,512.96 km) |
| Porsgrunn to Marion (Iowa) | 4,145.18 mi (6,671.02 km) |
| Porsgrunn to Marion (Ohio) | 3,963.91 mi (6,379.30 km) |
| Porsgrunn to Marion Oaks (Florida) | 4,584.32 mi (7,377.75 km) |
| Porsgrunn to Markham (Illinois) | 4,051.96 mi (6,520.99 km) |
| Porsgrunn to Marlborough (Massachusetts) | 3,490.67 mi (5,617.68 km) |
| Porsgrunn to Marlton (New Jersey) | 3,733.41 mi (6,008.35 km) |
| Porsgrunn to Marquette (Michigan) | 3,772.77 mi (6,071.69 km) |
| Porsgrunn to Marrero (Louisiana) | 4,795.62 mi (7,717.80 km) |
