| Mariehamn to Beyne-Heusay | 858.89 mi (1,382.25 km) |
| Mariehamn to Bierbeek | 869.36 mi (1,399.10 km) |
| Mariehamn to Bilzen | 848.16 mi (1,364.98 km) |
| Mariehamn to Binche | 909.08 mi (1,463.03 km) |
| Mariehamn to Bissegem | 911.79 mi (1,467.38 km) |
| Mariehamn to Blankenberge | 888.84 mi (1,430.45 km) |
| Mariehamn to Blegny | 853.97 mi (1,374.33 km) |
| Mariehamn to Bocholt | 829.49 mi (1,334.94 km) |
| Mariehamn to Boechout | 859.47 mi (1,383.19 km) |
| Mariehamn to Bonheiden | 864.51 mi (1,391.29 km) |
| Mariehamn to Boom | 866.22 mi (1,394.04 km) |
| Mariehamn to Boortmeerbeek | 866.36 mi (1,394.27 km) |
| Mariehamn to Borgerhout | 857.26 mi (1,379.63 km) |
| Mariehamn to Borgloon | 856.20 mi (1,377.91 km) |
| Mariehamn to Bornem | 868.89 mi (1,398.34 km) |
