| Towcester to Snodland | 82.77 mi (133.20 km) |
| Towcester to Soham | 57.86 mi (93.11 km) |
| Towcester to Solihull | 38.63 mi (62.17 km) |
| Towcester to Sompting | 94.06 mi (151.38 km) |
| Towcester to South Hayling | 92.75 mi (149.27 km) |
| Towcester to South Normanton | 69.11 mi (111.22 km) |
| Towcester to South Ockendon | 69.18 mi (111.34 km) |
| Towcester to South Shields | 198.77 mi (319.89 km) |
| Towcester to Southall | 50.06 mi (80.56 km) |
| Towcester to Southampton | 86.66 mi (139.47 km) |
| Towcester to Southborough | 85.96 mi (138.34 km) |
| Towcester to Southbourne | 103.32 mi (166.28 km) |
| Towcester to Southend | 82.90 mi (133.41 km) |
| Towcester to Southgate | 50.42 mi (81.14 km) |
| Towcester to Southport | 134.35 mi (216.21 km) |
