| Cities | Distance |
|---|
| Erkner to Smolyan | 906.94 mi (1,459.58 km) |
| Erkner to Sofia | 804.86 mi (1,295.30 km) |
| Erkner to Sopot | 845.77 mi (1,361.13 km) |
| Erkner to Sozopol | 946.94 mi (1,523.95 km) |
| Erkner to Sredets | 934.92 mi (1,504.61 km) |
| Erkner to Stamboliyski | 869.97 mi (1,400.09 km) |
| Erkner to Stara Zagora | 883.78 mi (1,422.31 km) |
| Erkner to Svilengrad | 937.71 mi (1,509.11 km) |
| Erkner to Svishtov | 808.65 mi (1,301.39 km) |
| Erkner to Targovishte | 866.66 mi (1,394.76 km) |
| Erkner to Teteven | 816.95 mi (1,314.75 km) |
| Erkner to Troyan | 831.40 mi (1,338.01 km) |
| Erkner to Tryavna | 854.87 mi (1,375.78 km) |
| Erkner to Tutrakan | 825.26 mi (1,328.12 km) |
| Erkner to Varna | 911.35 mi (1,466.67 km) |
