| Radzyn Podlaski to Smolyan | 711.47 mi (1,145.01 km) |
| Radzyn Podlaski to Sofia | 628.43 mi (1,011.35 km) |
| Radzyn Podlaski to Sopot | 638.78 mi (1,028.01 km) |
| Radzyn Podlaski to Sozopol | 689.34 mi (1,109.38 km) |
| Radzyn Podlaski to Sredets | 686.05 mi (1,104.09 km) |
| Radzyn Podlaski to Stamboliyski | 672.70 mi (1,082.61 km) |
| Radzyn Podlaski to Stara Zagora | 661.32 mi (1,064.29 km) |
| Radzyn Podlaski to Svilengrad | 712.20 mi (1,146.18 km) |
| Radzyn Podlaski to Svishtov | 578.17 mi (930.48 km) |
| Radzyn Podlaski to Targovishte | 617.59 mi (993.91 km) |
| Radzyn Podlaski to Teteven | 617.35 mi (993.53 km) |
| Radzyn Podlaski to Troyan | 622.58 mi (1,001.95 km) |
| Radzyn Podlaski to Tryavna | 630.45 mi (1,014.61 km) |
| Radzyn Podlaski to Tutrakan | 565.15 mi (909.52 km) |
| Radzyn Podlaski to Varna | 640.93 mi (1,031.47 km) |
