| Mariehamn to Blace | 1,162.80 mi (1,871.34 km) |
| Mariehamn to Bogatic | 1,054.99 mi (1,697.84 km) |
| Mariehamn to Bojnik | 1,182.89 mi (1,903.68 km) |
| Mariehamn to Boljevac | 1,127.66 mi (1,814.80 km) |
| Mariehamn to Bor | 1,107.09 mi (1,781.68 km) |
| Mariehamn to Borca | 1,052.51 mi (1,693.85 km) |
| Mariehamn to Bosilegrad | 1,220.72 mi (1,964.57 km) |
| Mariehamn to Brus | 1,155.91 mi (1,860.26 km) |
| Mariehamn to Bujanovac | 1,220.80 mi (1,964.69 km) |
| Mariehamn to Cacak | 1,120.04 mi (1,802.53 km) |
| Mariehamn to Cajetina | 1,129.71 mi (1,818.10 km) |
| Mariehamn to Cicevac | 1,133.75 mi (1,824.59 km) |
| Mariehamn to Coka | 978.86 mi (1,575.33 km) |
| Mariehamn to Crna Trava | 1,198.76 mi (1,929.22 km) |
| Mariehamn to Crvenka | 998.02 mi (1,606.15 km) |
