| Portlethen to Beyne-Heusay | 545.95 mi (878.62 km) |
| Portlethen to Bierbeek | 513.05 mi (825.68 km) |
| Portlethen to Bilzen | 528.26 mi (850.15 km) |
| Portlethen to Binche | 526.80 mi (847.80 km) |
| Portlethen to Bissegem | 482.80 mi (776.99 km) |
| Portlethen to Blankenberge | 450.75 mi (725.41 km) |
| Portlethen to Blegny | 545.00 mi (877.10 km) |
| Portlethen to Bocholt | 512.20 mi (824.31 km) |
| Portlethen to Boechout | 487.94 mi (785.27 km) |
| Portlethen to Bonheiden | 495.99 mi (798.22 km) |
| Portlethen to Boom | 489.37 mi (787.57 km) |
| Portlethen to Boortmeerbeek | 499.71 mi (804.20 km) |
| Portlethen to Borgerhout | 483.33 mi (777.85 km) |
| Portlethen to Borgloon | 527.95 mi (849.65 km) |
| Portlethen to Bornem | 485.50 mi (781.34 km) |
