| Helensburgh to Srbobran | 1,282.17 mi (2,063.46 km) |
| Helensburgh to Sremska Kamenica | 1,299.02 mi (2,090.57 km) |
| Helensburgh to Sremska Mitrovica | 1,303.16 mi (2,097.24 km) |
| Helensburgh to Sremski Karlovci | 1,303.31 mi (2,097.47 km) |
| Helensburgh to Stara Pazova | 1,321.90 mi (2,127.39 km) |
| Helensburgh to Subotica | 1,251.47 mi (2,014.05 km) |
| Helensburgh to Surcin | 1,334.82 mi (2,148.19 km) |
| Helensburgh to Surdulica | 1,504.60 mi (2,421.42 km) |
| Helensburgh to Svilajnac | 1,395.28 mi (2,245.49 km) |
| Helensburgh to Svrljig | 1,466.72 mi (2,360.46 km) |
| Helensburgh to Temerin | 1,291.22 mi (2,078.02 km) |
| Helensburgh to Titel | 1,316.00 mi (2,117.89 km) |
| Helensburgh to Topola | 1,375.21 mi (2,213.19 km) |
| Helensburgh to Trgoviste | 1,519.47 mi (2,445.34 km) |
| Helensburgh to Trstenik | 1,417.72 mi (2,281.59 km) |
