| Mariehamn to Benevento | 1,328.81 mi (2,138.51 km) |
| Mariehamn to Bergamo | 1,080.39 mi (1,738.72 km) |
| Mariehamn to Bernalda | 1,367.14 mi (2,200.20 km) |
| Mariehamn to Bertinoro | 1,148.75 mi (1,848.73 km) |
| Mariehamn to Besana in Brianza | 1,086.31 mi (1,748.25 km) |
| Mariehamn to Besozzo | 1,086.99 mi (1,749.34 km) |
| Mariehamn to Biancavilla | 1,567.05 mi (2,521.93 km) |
| Mariehamn to Biassono | 1,090.92 mi (1,755.66 km) |
| Mariehamn to Bibbiano | 1,135.95 mi (1,828.13 km) |
| Mariehamn to Bibbiena | 1,182.70 mi (1,903.36 km) |
| Mariehamn to Biella | 1,115.76 mi (1,795.64 km) |
| Mariehamn to Bisceglie | 1,311.08 mi (2,109.97 km) |
| Mariehamn to Bisignano | 1,430.93 mi (2,302.85 km) |
| Mariehamn to Bitetto | 1,324.39 mi (2,131.41 km) |
| Mariehamn to Bitonto | 1,318.95 mi (2,122.64 km) |
