| Cities | Distance |
|---|---|
| Erchie to Smolyan | 371.71 mi (598.21 km) |
| Erchie to Sofia | 328.89 mi (529.29 km) |
| Erchie to Sopot | 393.70 mi (633.60 km) |
| Erchie to Sozopol | 533.87 mi (859.18 km) |
| Erchie to Sredets | 507.95 mi (817.46 km) |
| Erchie to Stamboliyski | 371.96 mi (598.61 km) |
| Erchie to Stara Zagora | 432.55 mi (696.12 km) |
| Erchie to Svilengrad | 450.15 mi (724.45 km) |
| Erchie to Svishtov | 448.30 mi (721.47 km) |
| Erchie to Targovishte | 495.04 mi (796.70 km) |
| Erchie to Teteven | 378.17 mi (608.61 km) |
| Erchie to Troyan | 398.08 mi (640.65 km) |
| Erchie to Tryavna | 434.59 mi (699.40 km) |
| Erchie to Tutrakan | 518.16 mi (833.90 km) |
| Erchie to Varna | 558.02 mi (898.05 km) |