| Round Rock to Stanmore | 4,888.11 mi (7,866.65 km) |
| Round Rock to Stannington | 4,790.46 mi (7,709.49 km) |
| Round Rock to Stansted Mountfitchet | 4,899.63 mi (7,885.19 km) |
| Round Rock to Stanwell | 4,886.71 mi (7,864.40 km) |
| Round Rock to Stapleford | 4,813.46 mi (7,746.51 km) |
| Round Rock to Staveley | 4,801.07 mi (7,726.58 km) |
| Round Rock to Stepney | 4,901.54 mi (7,888.27 km) |
| Round Rock to Stevenage | 4,884.11 mi (7,860.21 km) |
| Round Rock to Stevenston | 4,612.20 mi (7,422.63 km) |
| Round Rock to Stirling | 4,630.40 mi (7,451.91 km) |
| Round Rock to Stockport | 4,766.95 mi (7,671.66 km) |
| Round Rock to Stocksbridge | 4,786.22 mi (7,702.67 km) |
| Round Rock to Stockton-on-Tees | 4,766.00 mi (7,670.14 km) |
| Round Rock to Stoke Gifford | 4,803.65 mi (7,730.72 km) |
| Round Rock to Stoke-on-Trent | 4,776.85 mi (7,687.59 km) |
