| Porsgrunn to Bel Air (Maryland) | 3,800.42 mi (6,116.18 km) |
| Porsgrunn to Bel Air North (Maryland) | 3,800.27 mi (6,115.95 km) |
| Porsgrunn to Bel Air South (Maryland) | 3,801.02 mi (6,117.15 km) |
| Porsgrunn to Belgrade (Montana) | 4,453.15 mi (7,166.66 km) |
| Porsgrunn to Bell (California) | 5,347.41 mi (8,605.83 km) |
| Porsgrunn to Bell Gardens (California) | 5,347.69 mi (8,606.28 km) |
| Porsgrunn to Bella Vista (Arkansas) | 4,544.50 mi (7,313.66 km) |
| Porsgrunn to Bellair-Meadowbrook Terrace (Florida) | 4,501.53 mi (7,244.51 km) |
| Porsgrunn to Bellaire (Texas) | 4,976.59 mi (8,009.05 km) |
| Porsgrunn to Belle Chasse (Louisiana) | 4,793.94 mi (7,715.09 km) |
| Porsgrunn to Belle Glade (Florida) | 4,664.63 mi (7,507.00 km) |
| Porsgrunn to Bellefontaine (Ohio) | 3,997.22 mi (6,432.90 km) |
| Porsgrunn to Bellefontaine Neighbors (Missouri) | 4,289.85 mi (6,903.84 km) |
| Porsgrunn to Belleville (Illinois) | 4,295.90 mi (6,913.58 km) |
| Porsgrunn to Bellevue (Nebraska) | 4,324.14 mi (6,959.03 km) |
