| Porsgrunn to Mount Holly (North Carolina) | 4,187.33 mi (6,738.86 km) |
| Porsgrunn to Mount Juliet (Tennessee) | 4,317.40 mi (6,948.18 km) |
| Porsgrunn to Mount Kisco (New York) | 3,623.99 mi (5,832.26 km) |
| Porsgrunn to Mount Pleasant (Michigan) | 3,852.35 mi (6,199.75 km) |
| Porsgrunn to Mount Pleasant (South Carolina) | 4,285.42 mi (6,896.71 km) |
| Porsgrunn to Mount Pleasant (Texas) | 4,758.47 mi (7,658.01 km) |
| Porsgrunn to Mount Pleasant (Wisconsin) | 3,996.40 mi (6,431.59 km) |
| Porsgrunn to Mount Prospect (Illinois) | 4,033.82 mi (6,491.80 km) |
| Porsgrunn to Mount Sinai (New York) | 3,614.18 mi (5,816.46 km) |
| Porsgrunn to Mount Vernon (Illinois) | 4,274.03 mi (6,878.39 km) |
| Porsgrunn to Mount Vernon (New York) | 3,642.63 mi (5,862.24 km) |
| Porsgrunn to Mount Vernon (Ohio) | 3,954.74 mi (6,364.54 km) |
| Porsgrunn to Mount Vernon (Virginia) | 3,870.11 mi (6,228.34 km) |
| Porsgrunn to Mount Vernon (Washington) | 4,528.96 mi (7,288.66 km) |
| Porsgrunn to Mount Washington (Kentucky) | 4,183.09 mi (6,732.04 km) |
