| Porvoo to Sremska Kamenica | 1,075.25 mi (1,730.44 km) |
| Porvoo to Sremska Mitrovica | 1,094.34 mi (1,761.16 km) |
| Porvoo to Sremski Karlovci | 1,075.80 mi (1,731.32 km) |
| Porvoo to Stara Pazova | 1,088.49 mi (1,751.75 km) |
| Porvoo to Subotica | 1,017.26 mi (1,637.13 km) |
| Porvoo to Surcin | 1,099.99 mi (1,770.25 km) |
| Porvoo to Surdulica | 1,231.68 mi (1,982.20 km) |
| Porvoo to Svilajnac | 1,132.93 mi (1,823.28 km) |
| Porvoo to Svrljig | 1,182.33 mi (1,902.78 km) |
| Porvoo to Temerin | 1,061.53 mi (1,708.37 km) |
| Porvoo to Titel | 1,072.29 mi (1,725.69 km) |
| Porvoo to Topola | 1,134.22 mi (1,825.35 km) |
| Porvoo to Trgoviste | 1,255.68 mi (2,020.83 km) |
| Porvoo to Trstenik | 1,175.25 mi (1,891.38 km) |
| Porvoo to Tutin | 1,223.27 mi (1,968.67 km) |
