| Porsgrunn to Burlingame (California) | 5,214.51 mi (8,391.94 km) |
| Porsgrunn to Burlington (Iowa) | 4,201.08 mi (6,760.98 km) |
| Porsgrunn to Burlington (Kentucky) | 4,101.89 mi (6,601.36 km) |
| Porsgrunn to Burlington (North Carolina) | 4,093.71 mi (6,588.18 km) |
| Porsgrunn to Burlington (Vermont) | 3,436.01 mi (5,529.73 km) |
| Porsgrunn to Burlington (Wisconsin) | 4,010.25 mi (6,453.87 km) |
| Porsgrunn to Burnsville (Minnesota) | 4,042.28 mi (6,505.42 km) |
| Porsgrunn to Burr Ridge (Illinois) | 4,050.78 mi (6,519.10 km) |
| Porsgrunn to Burton (Michigan) | 3,848.74 mi (6,193.95 km) |
| Porsgrunn to Burtonsville (Maryland) | 3,842.65 mi (6,184.15 km) |
| Porsgrunn to Butler (Pennsylvania) | 3,845.58 mi (6,188.86 km) |
| Porsgrunn to Butte (Montana) | 4,480.25 mi (7,210.26 km) |
| Porsgrunn to Byram (Mississippi) | 4,667.70 mi (7,511.94 km) |
| Porsgrunn to Cabot (Arkansas) | 4,561.62 mi (7,341.22 km) |
| Porsgrunn to Cadillac (Michigan) | 3,836.70 mi (6,174.57 km) |
