| Rushden to Smolyan | 1,393.22 mi (2,242.17 km) |
| Rushden to Sofia | 1,289.87 mi (2,075.85 km) |
| Rushden to Sopot | 1,348.28 mi (2,169.85 km) |
| Rushden to Sozopol | 1,476.85 mi (2,376.76 km) |
| Rushden to Sredets | 1,459.40 mi (2,348.68 km) |
| Rushden to Stamboliyski | 1,362.16 mi (2,192.18 km) |
| Rushden to Stara Zagora | 1,393.51 mi (2,242.63 km) |
| Rushden to Svilengrad | 1,444.36 mi (2,324.47 km) |
| Rushden to Svishtov | 1,332.12 mi (2,143.83 km) |
| Rushden to Targovishte | 1,397.09 mi (2,248.39 km) |
| Rushden to Teteven | 1,317.63 mi (2,120.52 km) |
| Rushden to Troyan | 1,337.00 mi (2,151.70 km) |
| Rushden to Tryavna | 1,369.10 mi (2,203.35 km) |
| Rushden to Tutrakan | 1,366.63 mi (2,199.38 km) |
| Rushden to Varna | 1,452.89 mi (2,338.19 km) |
