| Porvoo to Grevena | 1,414.98 mi (2,277.18 km) |
| Porvoo to Ialysos | 1,660.34 mi (2,672.06 km) |
| Porvoo to Ilion | 1,547.38 mi (2,490.27 km) |
| Porvoo to Ilioupoli | 1,554.16 mi (2,501.18 km) |
| Porvoo to Ioannina | 1,447.27 mi (2,329.16 km) |
| Porvoo to Irakleio | 1,731.23 mi (2,786.15 km) |
| Porvoo to Irakleio | 1,546.07 mi (2,488.16 km) |
| Porvoo to Kaisariani | 1,551.73 mi (2,497.26 km) |
| Porvoo to Kalamaria | 1,373.72 mi (2,210.79 km) |
| Porvoo to Kalamata | 1,621.34 mi (2,609.29 km) |
| Porvoo to Kallithea | 1,553.13 mi (2,499.52 km) |
| Porvoo to Kalymnos | 1,618.13 mi (2,604.13 km) |
| Porvoo to Kalyvia Thorikou | 1,560.69 mi (2,511.69 km) |
| Porvoo to Kamatero | 1,545.53 mi (2,487.29 km) |
| Porvoo to Karditsa | 1,461.86 mi (2,352.63 km) |
