| Stevenston to Smolyan | 1,639.47 mi (2,638.48 km) |
| Stevenston to Sofia | 1,535.22 mi (2,470.70 km) |
| Stevenston to Sopot | 1,588.68 mi (2,556.73 km) |
| Stevenston to Sozopol | 1,707.77 mi (2,748.40 km) |
| Stevenston to Sredets | 1,692.53 mi (2,723.86 km) |
| Stevenston to Stamboliyski | 1,606.18 mi (2,584.89 km) |
| Stevenston to Stara Zagora | 1,631.82 mi (2,626.16 km) |
| Stevenston to Svilengrad | 1,684.31 mi (2,710.63 km) |
| Stevenston to Svishtov | 1,564.46 mi (2,517.75 km) |
| Stevenston to Targovishte | 1,627.12 mi (2,618.59 km) |
| Stevenston to Teteven | 1,558.29 mi (2,507.82 km) |
| Stevenston to Troyan | 1,576.18 mi (2,536.62 km) |
| Stevenston to Tryavna | 1,605.47 mi (2,583.75 km) |
| Stevenston to Tutrakan | 1,591.35 mi (2,561.03 km) |
| Stevenston to Varna | 1,678.19 mi (2,700.78 km) |
