| Stevenage to Smolyan | 1,367.59 mi (2,200.92 km) |
| Stevenage to Sofia | 1,264.46 mi (2,034.95 km) |
| Stevenage to Sopot | 1,323.49 mi (2,129.96 km) |
| Stevenage to Sozopol | 1,453.22 mi (2,338.74 km) |
| Stevenage to Sredets | 1,435.49 mi (2,310.21 km) |
| Stevenage to Stamboliyski | 1,336.86 mi (2,151.46 km) |
| Stevenage to Stara Zagora | 1,368.96 mi (2,203.13 km) |
| Stevenage to Svilengrad | 1,419.54 mi (2,284.53 km) |
| Stevenage to Svishtov | 1,308.44 mi (2,105.73 km) |
| Stevenage to Targovishte | 1,373.66 mi (2,210.69 km) |
| Stevenage to Teteven | 1,292.83 mi (2,080.61 km) |
| Stevenage to Troyan | 1,312.39 mi (2,112.09 km) |
| Stevenage to Tryavna | 1,344.84 mi (2,164.31 km) |
| Stevenage to Tutrakan | 1,343.95 mi (2,162.88 km) |
| Stevenage to Varna | 1,430.03 mi (2,301.41 km) |
