| Keystone to Srbobran | 5,405.07 mi (8,698.61 km) |
| Keystone to Sremska Kamenica | 5,417.73 mi (8,719.00 km) |
| Keystone to Sremska Mitrovica | 5,416.25 mi (8,716.61 km) |
| Keystone to Sremski Karlovci | 5,422.44 mi (8,726.57 km) |
| Keystone to Stara Pazova | 5,439.61 mi (8,754.20 km) |
| Keystone to Subotica | 5,381.51 mi (8,660.70 km) |
| Keystone to Surcin | 5,450.70 mi (8,772.06 km) |
| Keystone to Surdulica | 5,604.27 mi (9,019.21 km) |
| Keystone to Svilajnac | 5,509.79 mi (8,867.14 km) |
| Keystone to Svrljig | 5,576.94 mi (8,975.21 km) |
| Keystone to Temerin | 5,413.16 mi (8,711.64 km) |
| Keystone to Titel | 5,437.95 mi (8,751.53 km) |
| Keystone to Topola | 5,485.96 mi (8,828.81 km) |
| Keystone to Trgoviste | 5,612.96 mi (9,033.19 km) |
| Keystone to Trstenik | 5,521.34 mi (8,885.74 km) |
