| Porvoo to Arth | 1,149.85 mi (1,850.50 km) |
| Porvoo to Baar | 1,141.97 mi (1,837.82 km) |
| Porvoo to Baden | 1,131.45 mi (1,820.90 km) |
| Porvoo to Basel | 1,143.86 mi (1,840.86 km) |
| Porvoo to Bassersdorf | 1,124.88 mi (1,810.31 km) |
| Porvoo to Bellinzona | 1,190.27 mi (1,915.55 km) |
| Porvoo to Belp | 1,185.04 mi (1,907.15 km) |
| Porvoo to Bern | 1,182.93 mi (1,903.75 km) |
| Porvoo to Bernex | 1,262.64 mi (2,032.03 km) |
| Porvoo to Biberist | 1,166.40 mi (1,877.13 km) |
| Porvoo to Biel/Bienne | 1,176.99 mi (1,894.18 km) |
| Porvoo to Binningen | 1,145.71 mi (1,843.84 km) |
| Porvoo to Birsfelden | 1,143.12 mi (1,839.68 km) |
| Porvoo to Brig-Glis | 1,207.78 mi (1,943.74 km) |
| Porvoo to Brugg | 1,132.58 mi (1,822.70 km) |
