| Porsgrunn to Berkley (Colorado) | 4,656.54 mi (7,493.97 km) |
| Porsgrunn to Berkley (Michigan) | 3,862.20 mi (6,215.61 km) |
| Porsgrunn to Berthoud (Colorado) | 4,626.97 mi (7,446.39 km) |
| Porsgrunn to Berwick (Pennsylvania) | 3,715.60 mi (5,979.68 km) |
| Porsgrunn to Berwyn (Illinois) | 4,041.55 mi (6,504.25 km) |
| Porsgrunn to Bessemer (Alabama) | 4,492.98 mi (7,230.76 km) |
| Porsgrunn to Bethany (Oklahoma) | 4,701.67 mi (7,566.60 km) |
| Porsgrunn to Bethany (Oregon) | 4,719.09 mi (7,594.65 km) |
| Porsgrunn to Bethel Park (Pennsylvania) | 3,879.30 mi (6,243.12 km) |
| Porsgrunn to Bethesda (Maryland) | 3,855.80 mi (6,205.31 km) |
| Porsgrunn to Bethlehem (Pennsylvania) | 3,709.26 mi (5,969.48 km) |
| Porsgrunn to Bethpage (New York) | 3,639.82 mi (5,857.73 km) |
| Porsgrunn to Bettendorf (Iowa) | 4,138.83 mi (6,660.81 km) |
| Porsgrunn to Beverly (Massachusetts) | 3,456.32 mi (5,562.41 km) |
| Porsgrunn to Beverly Hills (California) | 5,346.50 mi (8,604.36 km) |
