| Ercis to Popovo | 937.12 mi (1,508.14 km) |
| Ercis to Provadia | 875.71 mi (1,409.32 km) |
| Ercis to Radnevo | 938.97 mi (1,511.13 km) |
| Ercis to Radomir | 1,092.09 mi (1,757.54 km) |
| Ercis to Rakitovo | 1,030.65 mi (1,658.68 km) |
| Ercis to Rakovski | 987.90 mi (1,589.87 km) |
| Ercis to Razgrad | 926.19 mi (1,490.56 km) |
| Ercis to Razlog | 1,061.70 mi (1,708.65 km) |
| Ercis to Ruse | 958.33 mi (1,542.29 km) |
| Ercis to Samokov | 1,059.87 mi (1,705.70 km) |
| Ercis to Sandanski | 1,069.89 mi (1,721.83 km) |
| Ercis to Sevlievo | 988.01 mi (1,590.06 km) |
| Ercis to Shumen | 901.80 mi (1,451.30 km) |
| Ercis to Silistra | 901.34 mi (1,450.56 km) |
| Ercis to Sliven | 923.03 mi (1,485.48 km) |
