| Porvoo to Beziers | 1,502.34 mi (2,417.78 km) |
| Porvoo to Bezons | 1,215.46 mi (1,956.10 km) |
| Porvoo to Biarritz | 1,623.98 mi (2,613.55 km) |
| Porvoo to Biganos | 1,541.57 mi (2,480.91 km) |
| Porvoo to Billere | 1,601.51 mi (2,577.38 km) |
| Porvoo to Biot | 1,391.27 mi (2,239.03 km) |
| Porvoo to Biscarrosse | 1,561.00 mi (2,512.18 km) |
| Porvoo to Bischheim | 1,078.69 mi (1,735.98 km) |
| Porvoo to Bischwiller | 1,067.29 mi (1,717.64 km) |
| Porvoo to Blagnac | 1,533.33 mi (2,467.65 km) |
| Porvoo to Blain | 1,410.93 mi (2,270.67 km) |
| Porvoo to Blanquefort | 1,516.86 mi (2,441.15 km) |
| Porvoo to Blois | 1,312.46 mi (2,112.19 km) |
| Porvoo to Bobigny | 1,209.74 mi (1,946.89 km) |
| Porvoo to Bois-Colombes | 1,214.42 mi (1,954.43 km) |
