| Rockford to Srbobran | 4,960.43 mi (7,983.04 km) |
| Rockford to Sremska Kamenica | 4,977.04 mi (8,009.77 km) |
| Rockford to Sremska Mitrovica | 4,980.61 mi (8,015.51 km) |
| Rockford to Sremski Karlovci | 4,981.37 mi (8,016.74 km) |
| Rockford to Stara Pazova | 4,999.89 mi (8,046.55 km) |
| Rockford to Subotica | 4,929.83 mi (7,933.80 km) |
| Rockford to Surcin | 5,012.70 mi (8,067.16 km) |
| Rockford to Surdulica | 5,181.14 mi (8,338.24 km) |
| Rockford to Svilajnac | 5,073.21 mi (8,164.54 km) |
| Rockford to Svrljig | 5,144.47 mi (8,279.22 km) |
| Rockford to Temerin | 4,969.45 mi (7,997.55 km) |
| Rockford to Titel | 4,994.26 mi (8,037.48 km) |
| Rockford to Topola | 5,052.68 mi (8,131.50 km) |
| Rockford to Trgoviste | 5,195.03 mi (8,360.59 km) |
| Rockford to Trstenik | 5,094.39 mi (8,198.63 km) |
