| Rapid City to Stephenville (Texas) | 862.66 mi (1,388.32 km) |
| Rapid City to Sterling (Colorado) | 238.45 mi (383.75 km) |
| Rapid City to Sterling (Illinois) | 701.05 mi (1,128.23 km) |
| Rapid City to Sterling (Virginia) | 1,373.96 mi (2,211.17 km) |
| Rapid City to Sterling Heights (Michigan) | 1,017.43 mi (1,637.40 km) |
| Rapid City to Steubenville (Ohio) | 1,178.88 mi (1,897.22 km) |
| Rapid City to Stevens Point (Wisconsin) | 675.92 mi (1,087.79 km) |
| Rapid City to Stevenson Ranch (California) | 1,057.15 mi (1,701.31 km) |
| Rapid City to Stillwater (Minnesota) | 515.57 mi (829.72 km) |
| Rapid City to Stillwater (Oklahoma) | 637.10 mi (1,025.31 km) |
| Rapid City to Stockbridge (Georgia) | 1,250.70 mi (2,012.80 km) |
| Rapid City to Stockton (California) | 1,029.88 mi (1,657.42 km) |
| Rapid City to Stone Ridge (Virginia) | 1,368.58 mi (2,202.52 km) |
| Rapid City to Stonecrest (Georgia) | 1,247.52 mi (2,007.69 km) |
| Rapid City to Stony Brook (New York) | 1,539.99 mi (2,478.38 km) |
