| Greentree to Smolyan | 4,889.48 mi (7,868.86 km) |
| Greentree to Sofia | 4,787.25 mi (7,704.34 km) |
| Greentree to Sopot | 4,847.56 mi (7,801.39 km) |
| Greentree to Sozopol | 4,976.80 mi (8,009.38 km) |
| Greentree to Sredets | 4,959.52 mi (7,981.58 km) |
| Greentree to Stamboliyski | 4,859.91 mi (7,821.27 km) |
| Greentree to Stara Zagora | 4,893.22 mi (7,874.88 km) |
| Greentree to Svilengrad | 4,943.55 mi (7,955.87 km) |
| Greentree to Svishtov | 4,832.13 mi (7,776.56 km) |
| Greentree to Targovishte | 4,896.82 mi (7,880.68 km) |
| Greentree to Teteven | 4,816.90 mi (7,752.05 km) |
| Greentree to Troyan | 4,836.62 mi (7,783.79 km) |
| Greentree to Tryavna | 4,869.13 mi (7,836.11 km) |
| Greentree to Tutrakan | 4,864.74 mi (7,829.05 km) |
| Greentree to Varna | 4,951.37 mi (7,968.47 km) |
