| Porvoo to Geraardsbergen | 1,071.76 mi (1,724.83 km) |
| Porvoo to Gerpinnes | 1,074.04 mi (1,728.51 km) |
| Porvoo to Gistel | 1,079.74 mi (1,737.68 km) |
| Porvoo to Gooik | 1,062.60 mi (1,710.09 km) |
| Porvoo to Grez-Doiceau | 1,048.66 mi (1,687.65 km) |
| Porvoo to Grimbergen | 1,047.93 mi (1,686.48 km) |
| Porvoo to Grobbendonk | 1,024.60 mi (1,648.93 km) |
| Porvoo to Haacht | 1,038.18 mi (1,670.79 km) |
| Porvoo to Haaltert | 1,061.07 mi (1,707.63 km) |
| Porvoo to Halen | 1,025.50 mi (1,650.38 km) |
| Porvoo to Halle | 1,062.24 mi (1,709.50 km) |
| Porvoo to Hamme | 1,047.91 mi (1,686.45 km) |
| Porvoo to Hannut | 1,040.80 mi (1,675.01 km) |
| Porvoo to Harelbeke | 1,083.95 mi (1,744.44 km) |
| Porvoo to Hasselt | 1,019.81 mi (1,641.22 km) |
