| Porvoo to Blansko | 840.55 mi (1,352.73 km) |
| Porvoo to Bohumin | 778.98 mi (1,253.64 km) |
| Porvoo to Boskovice | 832.28 mi (1,339.42 km) |
| Porvoo to Brandys nad Labem-Stara Boleslav | 824.83 mi (1,327.44 km) |
| Porvoo to Breclav | 875.72 mi (1,409.34 km) |
| Porvoo to Brevnov | 837.62 mi (1,348.03 km) |
| Porvoo to Brno | 852.09 mi (1,371.31 km) |
| Porvoo to Bruntal | 786.98 mi (1,266.52 km) |
| Porvoo to Bystrc | 851.42 mi (1,370.22 km) |
| Porvoo to Caslav | 827.86 mi (1,332.30 km) |
| Porvoo to Celakovice | 824.94 mi (1,327.61 km) |
| Porvoo to Ceska Lipa | 796.95 mi (1,282.57 km) |
| Porvoo to Ceska Trebova | 809.41 mi (1,302.62 km) |
| Porvoo to Ceske Budejovice | 904.02 mi (1,454.87 km) |
| Porvoo to Cesky Krumlov | 917.32 mi (1,476.29 km) |
