| Porsgrunn to Miami Lakes (Florida) | 4,697.60 mi (7,560.06 km) |
| Porsgrunn to Miami Shores (Florida) | 4,695.28 mi (7,556.32 km) |
| Porsgrunn to Miami Springs (Florida) | 4,701.85 mi (7,566.90 km) |
| Porsgrunn to Miamisburg (Ohio) | 4,053.75 mi (6,523.88 km) |
| Porsgrunn to Michigan City (Indiana) | 4,020.55 mi (6,470.45 km) |
| Porsgrunn to Middle Island (New York) | 3,614.47 mi (5,816.93 km) |
| Porsgrunn to Middle River (Maryland) | 3,813.38 mi (6,137.04 km) |
| Porsgrunn to Middle Valley (Tennessee) | 4,332.06 mi (6,971.77 km) |
| Porsgrunn to Middleburg (Florida) | 4,514.43 mi (7,265.28 km) |
| Porsgrunn to Middleburg Heights (Ohio) | 3,879.94 mi (6,244.16 km) |
| Porsgrunn to Middlesex (New Jersey) | 3,683.13 mi (5,927.43 km) |
| Porsgrunn to Middleton (Wisconsin) | 4,023.64 mi (6,475.42 km) |
| Porsgrunn to Middletown (Connecticut) | 3,569.81 mi (5,745.05 km) |
| Porsgrunn to Middletown (Delaware) | 3,784.32 mi (6,090.27 km) |
| Porsgrunn to Middletown (New York) | 3,634.27 mi (5,848.80 km) |
