| Porsgrunn to Monroe (Washington) | 4,557.83 mi (7,335.12 km) |
| Porsgrunn to Monroe (Wisconsin) | 4,055.59 mi (6,526.84 km) |
| Porsgrunn to Monroeville (Pennsylvania) | 3,864.75 mi (6,219.72 km) |
| Porsgrunn to Monrovia (California) | 5,331.33 mi (8,579.95 km) |
| Porsgrunn to Monsey (New York) | 3,639.78 mi (5,857.66 km) |
| Porsgrunn to Montclair (California) | 5,330.18 mi (8,578.10 km) |
| Porsgrunn to Montclair (Virginia) | 3,883.55 mi (6,249.98 km) |
| Porsgrunn to Montebello (California) | 5,343.55 mi (8,599.61 km) |
| Porsgrunn to Monterey (California) | 5,267.05 mi (8,476.50 km) |
| Porsgrunn to Monterey Park (California) | 5,341.92 mi (8,596.99 km) |
| Porsgrunn to Montgomery (Alabama) | 4,528.45 mi (7,287.84 km) |
| Porsgrunn to Montgomery (Illinois) | 4,065.75 mi (6,543.20 km) |
| Porsgrunn to Montgomery (Ohio) | 4,077.27 mi (6,561.74 km) |
| Porsgrunn to Montgomery Village (Maryland) | 3,847.93 mi (6,192.64 km) |
| Porsgrunn to Montgomeryville (Pennsylvania) | 3,725.13 mi (5,995.02 km) |
