| Irthlingborough to Soham | 40.12 mi (64.57 km) |
| Irthlingborough to Solihull | 49.49 mi (79.64 km) |
| Irthlingborough to Sompting | 103.88 mi (167.17 km) |
| Irthlingborough to South Hayling | 107.29 mi (172.67 km) |
| Irthlingborough to South Normanton | 62.11 mi (99.96 km) |
| Irthlingborough to South Ockendon | 67.70 mi (108.95 km) |
| Irthlingborough to South Shields | 187.54 mi (301.82 km) |
| Irthlingborough to Southall | 56.99 mi (91.72 km) |
| Irthlingborough to Southampton | 103.90 mi (167.21 km) |
| Irthlingborough to Southborough | 88.80 mi (142.90 km) |
| Irthlingborough to Southbourne | 121.83 mi (196.06 km) |
| Irthlingborough to Southend | 77.72 mi (125.08 km) |
| Irthlingborough to Southgate | 52.15 mi (83.92 km) |
| Irthlingborough to Southport | 135.10 mi (217.42 km) |
| Irthlingborough to Southwater | 90.53 mi (145.69 km) |
