From Hare Street, Hertfordshire to all cities in Lancashire starting with letter S
- Sabden, Hertfordshire
- Salesbury, Hertfordshire
- Saltcotes, Hertfordshire
- Salterforth, Hertfordshire
- Salwick, Hertfordshire
- Samlesbury, Hertfordshire
- Samlesbury Bottoms, Hertfordshire
- Sand Side, Hertfordshire
- Sandhams Green, Hertfordshire
- Sandylands, Hertfordshire
- Sawley, Hertfordshire
- Scaitcliffe, Hertfordshire
- Scale Hall, Hertfordshire
- Scarisbrick, Hertfordshire
- Scarth Hill, Hertfordshire
- School Lane, Hertfordshire
- Scorton, Hertfordshire
- Scotforth, Hertfordshire
- Scout, Hertfordshire
- Scronkey, Hertfordshire
- Seed Lee, Hertfordshire
- Seven Stars, Hertfordshire
- Shadsworth, Hertfordshire
- Sharneyford, Hertfordshire
- Sharoe Green, Hertfordshire
- Shaw Clough, Hertfordshire
- Shaw Green, Hertfordshire
- Shawforth, Hertfordshire
- Sherfin, Hertfordshire
- Sherwood, Hertfordshire
- Shirdley Hill, Hertfordshire
- Shireshead, Hertfordshire
- Shorey Bank, Hertfordshire
- Silverdale, Hertfordshire
- Silverdale Green, Hertfordshire
- Simonstone, Hertfordshire
- Singleton, Hertfordshire
- Siss Clough, Hertfordshire
- Skelmersdale, Hertfordshire
- Skerton, Hertfordshire
- Skippool, Hertfordshire
- Skitham, Hertfordshire
- Slaidburn, Hertfordshire
- Slyne, Hertfordshire
- Smallwood Hey, Hertfordshire
- Smith Green, Hertfordshire
- Smithy Lane Ends, Hertfordshire
- Snape Green, Hertfordshire
- Sollom, Hertfordshire
- Sough, Hertfordshire
- South Shore, Hertfordshire
- Southfield, Hertfordshire
- Southward Bottom, Hertfordshire
- Sower Carr, Hertfordshire
- Sowerbutts Green, Hertfordshire
- Spen Brook, Hertfordshire
- Spring Green, Hertfordshire
- Spring Hill, Hertfordshire
- Spring Side, Hertfordshire
- Spring Vale, Hertfordshire
- Squires Gate, Hertfordshire
- St Annes, Hertfordshire
- St Michaels on Wyre, Hertfordshire
- Stacksteads, Hertfordshire
- Staghills, Hertfordshire
- Staining, Hertfordshire
- Stake Pool, Hertfordshire
- Stalmine, Hertfordshire
- Stalmine Moss Side, Hertfordshire
- Stanah, Hertfordshire
- Standen Hall, Hertfordshire
- Stanhill, Hertfordshire
- Stanley, Hertfordshire
- Stanley Gate, Hertfordshire
- Staynall, Hertfordshire
- Stodday, Hertfordshire
- Stoneyholme, Hertfordshire
- Stopper Lane, Hertfordshire
- Street, Hertfordshire
- Strongstry, Hertfordshire
- Stubbins, Hertfordshire
- Stydd, Hertfordshire
- Sunderland, Hertfordshire
- Sunny Bower, Hertfordshire
- Sunnyhurst, Hertfordshire
- Swarthdale, Hertfordshire
- Swillbrook, Hertfordshire
- Syke Side, Hertfordshire
- Sykes, Hertfordshire