| Houghton Regis to Samandag | 2,086.41 mi (3,357.75 km) |
| Houghton Regis to Samsun | 1,872.27 mi (3,013.13 km) |
| Houghton Regis to Sanliurfa | 2,152.61 mi (3,464.29 km) |
| Houghton Regis to Saray | 1,516.38 mi (2,440.38 km) |
| Houghton Regis to Saraykent | 1,904.15 mi (3,064.43 km) |
| Houghton Regis to Saraykoy | 1,716.14 mi (2,761.85 km) |
| Houghton Regis to Sarayonu | 1,839.50 mi (2,960.38 km) |
| Houghton Regis to Sarigol | 1,692.21 mi (2,723.36 km) |
| Houghton Regis to Sarikamis | 2,175.18 mi (3,500.62 km) |
| Houghton Regis to Sarikaya | 1,907.16 mi (3,069.27 km) |
| Houghton Regis to Sarioglan | 1,950.19 mi (3,138.53 km) |
| Houghton Regis to Sariveliler | 1,921.58 mi (3,092.48 km) |
| Houghton Regis to Sariyer | 1,574.43 mi (2,533.81 km) |
| Houghton Regis to Sariz | 1,998.23 mi (3,215.84 km) |
| Houghton Regis to Sarkikaraagac | 1,806.00 mi (2,906.48 km) |
