| Porsgrunn to Medford (New York) | 3,619.20 mi (5,824.54 km) |
| Porsgrunn to Medford (Oregon) | 4,923.31 mi (7,923.31 km) |
| Porsgrunn to Medina (Ohio) | 3,894.40 mi (6,267.43 km) |
| Porsgrunn to Medulla (Florida) | 4,637.08 mi (7,462.66 km) |
| Porsgrunn to Mehlville (Missouri) | 4,306.77 mi (6,931.07 km) |
| Porsgrunn to Melbourne (Florida) | 4,583.28 mi (7,376.08 km) |
| Porsgrunn to Melissa (Texas) | 4,799.29 mi (7,723.72 km) |
| Porsgrunn to Melrose (Massachusetts) | 3,468.76 mi (5,582.43 km) |
| Porsgrunn to Melrose Park (Illinois) | 4,040.48 mi (6,502.52 km) |
| Porsgrunn to Melville (New York) | 3,635.50 mi (5,850.77 km) |
| Porsgrunn to Melvindale (Michigan) | 3,873.83 mi (6,234.33 km) |
| Porsgrunn to Memphis (Florida) | 4,680.34 mi (7,532.28 km) |
| Porsgrunn to Memphis (Tennessee) | 4,489.40 mi (7,225.00 km) |
| Porsgrunn to Menasha (Wisconsin) | 3,930.15 mi (6,324.96 km) |
| Porsgrunn to Mendota (California) | 5,223.34 mi (8,406.16 km) |
