| Romeoville to Suhut | 5,688.12 mi (9,154.15 km) |
| Romeoville to Sulakyurt | 5,713.22 mi (9,194.55 km) |
| Romeoville to Sultanbeyli | 5,517.26 mi (8,879.16 km) |
| Romeoville to Sultandagi | 5,712.51 mi (9,193.40 km) |
| Romeoville to Sultanhani | 5,808.74 mi (9,348.26 km) |
| Romeoville to Sultanhisar | 5,634.17 mi (9,067.33 km) |
| Romeoville to Suluova | 5,741.38 mi (9,239.86 km) |
| Romeoville to Sumbas | 5,937.37 mi (9,555.27 km) |
| Romeoville to Sungurlu | 5,735.25 mi (9,229.99 km) |
| Romeoville to Surmene | 5,878.68 mi (9,460.83 km) |
| Romeoville to Suruc | 6,043.38 mi (9,725.88 km) |
| Romeoville to Susehri | 5,856.80 mi (9,425.62 km) |
| Romeoville to Susurluk | 5,531.61 mi (8,902.26 km) |
| Romeoville to Susuz | 5,977.32 mi (9,619.57 km) |
| Romeoville to Sutculer | 5,757.61 mi (9,265.97 km) |
