| Boleslawiec to Smolyan | 796.68 mi (1,282.13 km) |
| Boleslawiec to Sofia | 695.01 mi (1,118.50 km) |
| Boleslawiec to Sopot | 734.99 mi (1,182.85 km) |
| Boleslawiec to Sozopol | 836.17 mi (1,345.69 km) |
| Boleslawiec to Sredets | 824.00 mi (1,326.09 km) |
| Boleslawiec to Stamboliyski | 759.53 mi (1,222.35 km) |
| Boleslawiec to Stara Zagora | 772.81 mi (1,243.71 km) |
| Boleslawiec to Svilengrad | 826.75 mi (1,330.53 km) |
| Boleslawiec to Svishtov | 697.64 mi (1,122.74 km) |
| Boleslawiec to Targovishte | 755.83 mi (1,216.39 km) |
| Boleslawiec to Teteven | 706.28 mi (1,136.65 km) |
| Boleslawiec to Troyan | 720.56 mi (1,159.63 km) |
| Boleslawiec to Tryavna | 743.86 mi (1,197.13 km) |
| Boleslawiec to Tutrakan | 714.85 mi (1,150.44 km) |
| Boleslawiec to Varna | 801.11 mi (1,289.26 km) |
