| Crowborough to Smolyan | 1,332.46 mi (2,144.39 km) |
| Crowborough to Sofia | 1,230.01 mi (1,979.51 km) |
| Crowborough to Sopot | 1,290.65 mi (2,077.10 km) |
| Crowborough to Sozopol | 1,423.24 mi (2,290.49 km) |
| Crowborough to Sredets | 1,404.82 mi (2,260.85 km) |
| Crowborough to Stamboliyski | 1,302.65 mi (2,096.42 km) |
| Crowborough to Stara Zagora | 1,336.71 mi (2,151.22 km) |
| Crowborough to Svilengrad | 1,386.54 mi (2,231.43 km) |
| Crowborough to Svishtov | 1,278.50 mi (2,057.55 km) |
| Crowborough to Targovishte | 1,344.25 mi (2,163.37 km) |
| Crowborough to Teteven | 1,260.01 mi (2,027.78 km) |
| Crowborough to Troyan | 1,280.03 mi (2,060.00 km) |
| Crowborough to Tryavna | 1,313.35 mi (2,113.63 km) |
| Crowborough to Tutrakan | 1,316.45 mi (2,118.62 km) |
| Crowborough to Varna | 1,402.01 mi (2,256.31 km) |
