| Forfar to Smolyan | 1,605.45 mi (2,583.73 km) |
| Forfar to Sofia | 1,501.20 mi (2,415.95 km) |
| Forfar to Sopot | 1,551.55 mi (2,496.97 km) |
| Forfar to Sozopol | 1,665.08 mi (2,679.68 km) |
| Forfar to Sredets | 1,651.02 mi (2,657.06 km) |
| Forfar to Stamboliyski | 1,571.01 mi (2,528.29 km) |
| Forfar to Stara Zagora | 1,593.33 mi (2,564.22 km) |
| Forfar to Svilengrad | 1,646.47 mi (2,649.73 km) |
| Forfar to Svishtov | 1,523.19 mi (2,451.34 km) |
| Forfar to Targovishte | 1,584.36 mi (2,549.79 km) |
| Forfar to Teteven | 1,521.46 mi (2,448.55 km) |
| Forfar to Troyan | 1,538.45 mi (2,475.90 km) |
| Forfar to Tryavna | 1,566.07 mi (2,520.35 km) |
| Forfar to Tutrakan | 1,546.22 mi (2,488.39 km) |
| Forfar to Varna | 1,632.89 mi (2,627.89 km) |
