| Cities | Distance |
|---|
| Opoczno to Smolyan | 708.18 mi (1,139.71 km) |
| Opoczno to Sofia | 616.28 mi (991.80 km) |
| Opoczno to Sopot | 638.29 mi (1,027.23 km) |
| Opoczno to Sozopol | 710.35 mi (1,143.19 km) |
| Opoczno to Sredets | 703.31 mi (1,131.86 km) |
| Opoczno to Stamboliyski | 669.28 mi (1,077.10 km) |
| Opoczno to Stara Zagora | 667.36 mi (1,074.01 km) |
| Opoczno to Svilengrad | 720.39 mi (1,159.36 km) |
| Opoczno to Svishtov | 585.63 mi (942.48 km) |
| Opoczno to Targovishte | 633.73 mi (1,019.88 km) |
| Opoczno to Teteven | 613.51 mi (987.35 km) |
| Opoczno to Troyan | 622.42 mi (1,001.69 km) |
| Opoczno to Tryavna | 636.63 mi (1,024.56 km) |
| Opoczno to Tutrakan | 585.06 mi (941.56 km) |
| Opoczno to Varna | 666.82 mi (1,073.15 km) |
