| Porvoo to Grottaglie | 1,416.65 mi (2,279.87 km) |
| Porvoo to Grottammare | 1,299.79 mi (2,091.80 km) |
| Porvoo to Grugliasco | 1,292.22 mi (2,079.63 km) |
| Porvoo to Grumo Appula | 1,392.17 mi (2,240.48 km) |
| Porvoo to Grumo Nevano | 1,429.51 mi (2,300.58 km) |
| Porvoo to Gualdo Tadino | 1,301.75 mi (2,094.96 km) |
| Porvoo to Guardiagrele | 1,346.36 mi (2,166.75 km) |
| Porvoo to Guastalla | 1,233.88 mi (1,985.74 km) |
| Porvoo to Gubbio | 1,297.93 mi (2,088.81 km) |
| Porvoo to Guspini | 1,616.95 mi (2,602.23 km) |
| Porvoo to Gussago | 1,202.03 mi (1,934.49 km) |
| Porvoo to Iesi | 1,275.12 mi (2,052.11 km) |
| Porvoo to Iesolo | 1,156.18 mi (1,860.69 km) |
| Porvoo to Iglesias | 1,632.83 mi (2,627.79 km) |
| Porvoo to Imola | 1,248.94 mi (2,009.97 km) |
