| Portlethen to Blue Springs (Missouri) | 4,088.19 mi (6,579.30 km) |
| Portlethen to Bluffdale (Utah) | 4,569.42 mi (7,353.77 km) |
| Portlethen to Bluffton (Indiana) | 3,682.58 mi (5,926.54 km) |
| Portlethen to Bluffton (South Carolina) | 3,975.55 mi (6,398.03 km) |
| Portlethen to Blythe (California) | 5,047.40 mi (8,123.00 km) |
| Portlethen to Blytheville (Arkansas) | 4,101.64 mi (6,600.95 km) |
| Portlethen to Boca Raton (Florida) | 4,262.10 mi (6,859.19 km) |
| Portlethen to Boerne (Texas) | 4,749.24 mi (7,643.16 km) |
| Portlethen to Bogalusa (Louisiana) | 4,379.57 mi (7,048.24 km) |
| Portlethen to Boiling Springs (South Carolina) | 3,863.56 mi (6,217.79 km) |
| Portlethen to Boise (Idaho) | 4,511.31 mi (7,260.25 km) |
| Portlethen to Bolingbrook (Illinois) | 3,736.31 mi (6,013.01 km) |
| Portlethen to Bolivar (Missouri) | 4,134.37 mi (6,653.63 km) |
| Portlethen to Bon Air (Virginia) | 3,573.38 mi (5,750.80 km) |
| Portlethen to Bonham (Texas) | 4,449.03 mi (7,160.03 km) |
