| Portchester to Stonehaven | 425.30 mi (684.45 km) |
| Portchester to Stourbridge | 120.00 mi (193.12 km) |
| Portchester to Stowmarket | 130.31 mi (209.71 km) |
| Portchester to Stranraer | 324.29 mi (521.90 km) |
| Portchester to Stratford | 68.43 mi (110.12 km) |
| Portchester to Stratford-upon-Avon | 96.68 mi (155.58 km) |
| Portchester to Stratton Saint Margaret | 58.43 mi (94.04 km) |
| Portchester to Streatham | 59.20 mi (95.28 km) |
| Portchester to Street | 73.02 mi (117.51 km) |
| Portchester to Streetly | 124.26 mi (199.97 km) |
| Portchester to Stretford | 186.88 mi (300.75 km) |
| Portchester to Strood | 79.07 mi (127.26 km) |
| Portchester to Stroud | 78.24 mi (125.92 km) |
| Portchester to Sudbury | 60.15 mi (96.80 km) |
| Portchester to Sudbury | 114.91 mi (184.93 km) |
