| Portage to Shoreham-by-Sea | 3,870.19 mi (6,228.47 km) |
| Portage to Shotley Bridge | 3,691.10 mi (5,940.25 km) |
| Portage to Shrewsbury | 3,718.41 mi (5,984.21 km) |
| Portage to Sidcup | 3,866.11 mi (6,221.90 km) |
| Portage to Sidmouth | 3,758.63 mi (6,048.94 km) |
| Portage to Sileby | 3,780.30 mi (6,083.81 km) |
| Portage to Sittingbourne | 3,893.30 mi (6,265.65 km) |
| Portage to Skegness | 3,822.29 mi (6,151.38 km) |
| Portage to Skelmersdale | 3,693.81 mi (5,944.61 km) |
| Portage to Skipton | 3,710.62 mi (5,971.67 km) |
| Portage to Sleaford | 3,798.50 mi (6,113.09 km) |
| Portage to Slough | 3,837.01 mi (6,175.07 km) |
| Portage to Small Heath | 3,759.81 mi (6,050.82 km) |
| Portage to Smethwick | 3,754.56 mi (6,042.38 km) |
| Portage to Snaresbrook | 3,857.72 mi (6,208.41 km) |
