| Portchester to Stannington | 177.34 mi (285.41 km) |
| Portchester to Stansted Mountfitchet | 92.49 mi (148.85 km) |
| Portchester to Stanwell | 50.95 mi (81.99 km) |
| Portchester to Stapleford | 144.35 mi (232.30 km) |
| Portchester to Staveley | 168.00 mi (270.37 km) |
| Portchester to Stepney | 65.78 mi (105.86 km) |
| Portchester to Stevenage | 83.24 mi (133.96 km) |
| Portchester to Stevenston | 364.23 mi (586.17 km) |
| Portchester to Stirling | 382.32 mi (615.29 km) |
| Portchester to Stockport | 182.61 mi (293.88 km) |
| Portchester to Stocksbridge | 183.21 mi (294.84 km) |
| Portchester to Stockton-on-Tees | 257.72 mi (414.75 km) |
| Portchester to Stoke Gifford | 77.46 mi (124.66 km) |
| Portchester to Stoke-on-Trent | 155.83 mi (250.79 km) |
| Portchester to Stone | 148.82 mi (239.51 km) |
