| Penarth to Stonehaven | 384.31 mi (618.49 km) |
| Penarth to Stourbridge | 83.28 mi (134.02 km) |
| Penarth to Stowmarket | 185.68 mi (298.83 km) |
| Penarth to Stranraer | 251.90 mi (405.39 km) |
| Penarth to Stratford | 136.49 mi (219.65 km) |
| Penarth to Stratford-upon-Avon | 81.77 mi (131.59 km) |
| Penarth to Stratton Saint Margaret | 61.50 mi (98.98 km) |
| Penarth to Streatham | 131.23 mi (211.19 km) |
| Penarth to Street | 28.23 mi (45.43 km) |
| Penarth to Streetly | 96.29 mi (154.97 km) |
| Penarth to Stretford | 143.98 mi (231.71 km) |
| Penarth to Strood | 157.22 mi (253.01 km) |
| Penarth to Stroud | 46.38 mi (74.65 km) |
| Penarth to Sudbury | 122.90 mi (197.79 km) |
| Penarth to Sudbury | 172.05 mi (276.88 km) |
