| Rock Island to South Fulton (Georgia) | 633.44 mi (1,019.42 km) |
| Rock Island to South Gate (California) | 1,588.17 mi (2,555.91 km) |
| Rock Island to South Hill (Washington) | 1,603.70 mi (2,580.91 km) |
| Rock Island to South Holland (Illinois) | 154.40 mi (248.48 km) |
| Rock Island to South Houston (Texas) | 856.31 mi (1,378.09 km) |
| Rock Island to South Huntington (New York) | 894.06 mi (1,438.86 km) |
| Rock Island to South Jordan (Utah) | 1,114.40 mi (1,793.45 km) |
| Rock Island to South Lake Tahoe (California) | 1,553.71 mi (2,500.46 km) |
| Rock Island to South Laurel (Maryland) | 742.27 mi (1,194.57 km) |
| Rock Island to South Lyon (Michigan) | 362.45 mi (583.30 km) |
| Rock Island to South Miami (Florida) | 1,237.41 mi (1,991.42 km) |
| Rock Island to South Miami Heights (Florida) | 1,242.39 mi (1,999.43 km) |
| Rock Island to South Milwaukee (Wisconsin) | 171.21 mi (275.53 km) |
| Rock Island to South Ogden (Utah) | 1,106.52 mi (1,780.77 km) |
| Rock Island to South Pasadena (California) | 1,581.17 mi (2,544.64 km) |
