| Porvoo to Barcellona-Pozzo di Gotto | 1,602.95 mi (2,579.69 km) |
| Porvoo to Bareggio | 1,235.77 mi (1,988.78 km) |
| Porvoo to Barga | 1,290.66 mi (2,077.11 km) |
| Porvoo to Bari | 1,382.92 mi (2,225.60 km) |
| Porvoo to Barletta | 1,376.98 mi (2,216.03 km) |
| Porvoo to Baronissi | 1,434.85 mi (2,309.18 km) |
| Porvoo to Barrafranca | 1,668.55 mi (2,685.27 km) |
| Porvoo to Bassano del Grappa | 1,158.95 mi (1,865.14 km) |
| Porvoo to Battipaglia | 1,440.59 mi (2,318.41 km) |
| Porvoo to Beinasco | 1,295.20 mi (2,084.43 km) |
| Porvoo to Bellinzago Novarese | 1,236.54 mi (1,990.02 km) |
| Porvoo to Belluno | 1,125.89 mi (1,811.94 km) |
| Porvoo to Belmonte Mezzagno | 1,634.05 mi (2,629.75 km) |
| Porvoo to Belpasso | 1,643.97 mi (2,645.71 km) |
| Porvoo to Belvedere Marittimo | 1,496.31 mi (2,408.08 km) |
