From Caversfield, Oxfordshire to all cities in Gwent starting with letter S
- Saltmarsh, Oxfordshire
- Scwrfa, Oxfordshire
- Sebastopol, Oxfordshire
- Senghenydd, Oxfordshire
- Shirenewton, Oxfordshire
- Sirhowy, Oxfordshire
- Six Bells, Oxfordshire
- Skenfrith, Oxfordshire
- Slough, Oxfordshire
- Snatchwood, Oxfordshire
- Somerton, Oxfordshire
- Southville, Oxfordshire
- Sowhill, Oxfordshire
- St Arvans, Oxfordshire
- St Brides Netherwent, Oxfordshire
- St Brides Wentlooge, Oxfordshire
- St Dials, Oxfordshire
- St Illtyd, Oxfordshire
- St Julians, Oxfordshire
- St Martins, Oxfordshire
- St Maughans, Oxfordshire
- St Maughans Green, Oxfordshire
- St Woolos, Oxfordshire
- Star Hill, Oxfordshire
- Stelvio, Oxfordshire
- Stow Park, Oxfordshire
- Sudbrook, Oxfordshire
- Summerhill, Oxfordshire
- Summerleaze, Oxfordshire
- Swffryd, Oxfordshire