| Porvoo to Buharkent | 1,555.77 mi (2,503.77 km) |
| Porvoo to Bulancak | 1,447.17 mi (2,329.00 km) |
| Porvoo to Bulanik | 1,637.04 mi (2,634.57 km) |
| Porvoo to Buldan | 1,550.37 mi (2,495.07 km) |
| Porvoo to Bunyan | 1,552.84 mi (2,499.06 km) |
| Porvoo to Burdur | 1,579.68 mi (2,542.24 km) |
| Porvoo to Burhaniye | 1,444.73 mi (2,325.07 km) |
| Porvoo to Bursa | 1,403.98 mi (2,259.49 km) |
| Porvoo to Buyukcekmece | 1,344.38 mi (2,163.57 km) |
| Porvoo to Buyukorhan | 1,433.25 mi (2,306.59 km) |
| Porvoo to Buyukyoncali | 1,317.07 mi (2,119.62 km) |
| Porvoo to Caglayancerit | 1,645.03 mi (2,647.42 km) |
| Porvoo to Cal | 1,550.12 mi (2,494.67 km) |
| Porvoo to Caldiran | 1,666.27 mi (2,681.60 km) |
| Porvoo to Camardi | 1,611.17 mi (2,592.93 km) |
