| Porsgrunn to Middletown (Ohio) | 4,063.87 mi (6,540.16 km) |
| Porsgrunn to Midland (Michigan) | 3,833.98 mi (6,170.19 km) |
| Porsgrunn to Midland (Texas) | 5,039.98 mi (8,111.07 km) |
| Porsgrunn to Midlothian (Illinois) | 4,051.59 mi (6,520.40 km) |
| Porsgrunn to Midlothian (Texas) | 4,860.80 mi (7,822.71 km) |
| Porsgrunn to Midlothian (Virginia) | 3,955.40 mi (6,365.59 km) |
| Porsgrunn to Midvale (Utah) | 4,783.92 mi (7,698.98 km) |
| Porsgrunn to Midway (Florida) | 4,664.15 mi (7,506.22 km) |
| Porsgrunn to Midwest City (Oklahoma) | 4,696.20 mi (7,557.80 km) |
| Porsgrunn to Milford (Delaware) | 3,803.31 mi (6,120.84 km) |
| Porsgrunn to Milford city (Connecticut) | 3,600.44 mi (5,794.36 km) |
| Porsgrunn to Milford Mill (Maryland) | 3,824.71 mi (6,155.28 km) |
| Porsgrunn to Mililani Mauka (Hawaii) | 6,824.56 mi (10,983.06 km) |
| Porsgrunn to Mililani Town (Hawaii) | 6,826.70 mi (10,986.51 km) |
| Porsgrunn to Mill Creek (Washington) | 4,561.85 mi (7,341.58 km) |
