| Risca to Stonehaven | 371.75 mi (598.28 km) |
| Risca to Stourbridge | 71.08 mi (114.39 km) |
| Risca to Stowmarket | 178.96 mi (288.02 km) |
| Risca to Stranraer | 241.23 mi (388.22 km) |
| Risca to Stratford | 132.69 mi (213.54 km) |
| Risca to Stratford-upon-Avon | 71.53 mi (115.12 km) |
| Risca to Stratton Saint Margaret | 57.06 mi (91.83 km) |
| Risca to Streatham | 128.18 mi (206.29 km) |
| Risca to Street | 36.77 mi (59.18 km) |
| Risca to Streetly | 84.30 mi (135.68 km) |
| Risca to Stretford | 131.22 mi (211.18 km) |
| Risca to Strood | 154.21 mi (248.17 km) |
| Risca to Stroud | 38.69 mi (62.27 km) |
| Risca to Sudbury | 119.03 mi (191.56 km) |
| Risca to Sudbury | 165.81 mi (266.84 km) |
