| Porsgrunn to Belvedere Park (Georgia) | 4,382.86 mi (7,053.52 km) |
| Porsgrunn to Belvidere (Illinois) | 4,051.57 mi (6,520.37 km) |
| Porsgrunn to Bemidji (Minnesota) | 3,935.77 mi (6,334.01 km) |
| Porsgrunn to Benbrook (Texas) | 4,862.72 mi (7,825.79 km) |
| Porsgrunn to Bend (Oregon) | 4,783.17 mi (7,697.76 km) |
| Porsgrunn to Benicia (California) | 5,179.00 mi (8,334.80 km) |
| Porsgrunn to Bensenville (Illinois) | 4,039.91 mi (6,501.60 km) |
| Porsgrunn to Bensville (Maryland) | 3,872.12 mi (6,231.58 km) |
| Porsgrunn to Benton (Arkansas) | 4,601.60 mi (7,405.56 km) |
| Porsgrunn to Bentonville (Arkansas) | 4,549.76 mi (7,322.13 km) |
| Porsgrunn to Berea (Kentucky) | 4,167.76 mi (6,707.36 km) |
| Porsgrunn to Berea (Ohio) | 3,881.51 mi (6,246.69 km) |
| Porsgrunn to Berea (South Carolina) | 4,259.88 mi (6,855.62 km) |
| Porsgrunn to Bergenfield (New Jersey) | 3,647.76 mi (5,870.50 km) |
| Porsgrunn to Berkeley (California) | 5,194.37 mi (8,359.53 km) |
