| Portimao to Sremska Kamenica | 1,567.91 mi (2,523.30 km) |
| Portimao to Sremska Mitrovica | 1,553.83 mi (2,500.66 km) |
| Portimao to Sremski Karlovci | 1,572.14 mi (2,530.12 km) |
| Portimao to Stara Pazova | 1,580.65 mi (2,543.82 km) |
| Portimao to Subotica | 1,572.31 mi (2,530.39 km) |
| Portimao to Surcin | 1,584.15 mi (2,549.44 km) |
| Portimao to Surdulica | 1,662.04 mi (2,674.79 km) |
| Portimao to Svilajnac | 1,623.02 mi (2,612.00 km) |
| Portimao to Svrljig | 1,662.79 mi (2,676.00 km) |
| Portimao to Temerin | 1,572.61 mi (2,530.87 km) |
| Portimao to Titel | 1,589.75 mi (2,558.46 km) |
| Portimao to Topola | 1,597.63 mi (2,571.13 km) |
| Portimao to Trgoviste | 1,657.14 mi (2,666.91 km) |
| Portimao to Trstenik | 1,608.23 mi (2,588.20 km) |
| Portimao to Tutin | 1,570.39 mi (2,527.30 km) |
