| Greystones to Smolyan | 1,628.77 mi (2,621.26 km) |
| Greystones to Sofia | 1,525.63 mi (2,455.26 km) |
| Greystones to Sopot | 1,584.47 mi (2,549.96 km) |
| Greystones to Sozopol | 1,713.28 mi (2,757.25 km) |
| Greystones to Sredets | 1,695.83 mi (2,729.18 km) |
| Greystones to Stamboliyski | 1,598.01 mi (2,571.75 km) |
| Greystones to Stara Zagora | 1,629.80 mi (2,622.91 km) |
| Greystones to Svilengrad | 1,680.53 mi (2,704.56 km) |
| Greystones to Svishtov | 1,568.55 mi (2,524.33 km) |
| Greystones to Targovishte | 1,633.49 mi (2,628.85 km) |
| Greystones to Teteven | 1,553.81 mi (2,500.62 km) |
| Greystones to Troyan | 1,573.27 mi (2,531.93 km) |
| Greystones to Tryavna | 1,605.48 mi (2,583.76 km) |
| Greystones to Tutrakan | 1,602.80 mi (2,579.46 km) |
| Greystones to Varna | 1,689.12 mi (2,718.38 km) |
