| Towcester to Shoreham-by-Sea | 94.71 mi (152.42 km) |
| Towcester to Shotley Bridge | 192.66 mi (310.05 km) |
| Towcester to Shrewsbury | 84.38 mi (135.79 km) |
| Towcester to Sidcup | 67.41 mi (108.49 km) |
| Towcester to Sidmouth | 139.39 mi (224.33 km) |
| Towcester to Sileby | 41.81 mi (67.29 km) |
| Towcester to Sittingbourne | 91.97 mi (148.01 km) |
| Towcester to Skegness | 89.59 mi (144.19 km) |
| Towcester to Skelmersdale | 123.21 mi (198.28 km) |
| Towcester to Skipton | 133.59 mi (215.00 km) |
| Towcester to Sleaford | 64.56 mi (103.89 km) |
| Towcester to Slough | 46.25 mi (74.43 km) |
| Towcester to Small Heath | 43.16 mi (69.45 km) |
| Towcester to Smethwick | 48.35 mi (77.82 km) |
| Towcester to Snaresbrook | 56.97 mi (91.68 km) |
