| Rock Island to Sumter (South Carolina) | 761.22 mi (1,225.06 km) |
| Rock Island to Sun City (Arizona) | 1,301.97 mi (2,095.32 km) |
| Rock Island to Sun City Center (Florida) | 1,058.03 mi (1,702.73 km) |
| Rock Island to Sun City West (Arizona) | 1,303.82 mi (2,098.29 km) |
| Rock Island to Sun Lakes (Arizona) | 1,296.16 mi (2,085.97 km) |
| Rock Island to Sun Prairie (Wisconsin) | 136.86 mi (220.26 km) |
| Rock Island to Sun Valley (Nevada) | 1,531.00 mi (2,463.91 km) |
| Rock Island to Sun Village (California) | 1,557.05 mi (2,505.83 km) |
| Rock Island to Sunland Park (New Mexico) | 1,107.15 mi (1,781.78 km) |
| Rock Island to Sunny Isles Beach (Florida) | 1,227.78 mi (1,975.91 km) |
| Rock Island to Sunnyside (Washington) | 1,493.54 mi (2,403.62 km) |
| Rock Island to Sunnyvale (California) | 1,692.11 mi (2,723.19 km) |
| Rock Island to Sunrise (Florida) | 1,209.56 mi (1,946.60 km) |
| Rock Island to Sunrise Manor (Nevada) | 1,361.62 mi (2,191.32 km) |
| Rock Island to Sunset (Florida) | 1,235.96 mi (1,989.09 km) |
