| Romeoville to Savannah (Georgia) | 765.26 mi (1,231.57 km) |
| Romeoville to Sayreville (New Jersey) | 721.55 mi (1,161.22 km) |
| Romeoville to Sayville (New York) | 782.13 mi (1,258.72 km) |
| Romeoville to Scaggsville (Maryland) | 614.28 mi (988.59 km) |
| Romeoville to Scarsdale (New York) | 743.78 mi (1,196.99 km) |
| Romeoville to Schaumburg (Illinois) | 27.58 mi (44.39 km) |
| Romeoville to Schenectady (New York) | 728.82 mi (1,172.93 km) |
| Romeoville to Schererville (Indiana) | 35.35 mi (56.90 km) |
| Romeoville to Schertz (Texas) | 1,008.55 mi (1,623.11 km) |
| Romeoville to Schiller Park (Illinois) | 25.51 mi (41.05 km) |
| Romeoville to Schofield Barracks (Hawaii) | 4,228.73 mi (6,805.48 km) |
| Romeoville to Scotchtown (New York) | 709.38 mi (1,141.64 km) |
| Romeoville to Scottdale (Georgia) | 580.48 mi (934.20 km) |
| Romeoville to Scotts Valley (California) | 1,827.32 mi (2,940.78 km) |
| Romeoville to Scottsbluff (Nebraska) | 801.24 mi (1,289.48 km) |
