| Avenal to Popovo | 6,558.22 mi (10,554.44 km) |
| Avenal to Provadia | 6,595.28 mi (10,614.08 km) |
| Avenal to Radnevo | 6,616.07 mi (10,647.54 km) |
| Avenal to Radomir | 6,529.20 mi (10,507.74 km) |
| Avenal to Rakitovo | 6,591.41 mi (10,607.85 km) |
| Avenal to Rakovski | 6,594.06 mi (10,612.11 km) |
| Avenal to Razgrad | 6,553.27 mi (10,546.47 km) |
| Avenal to Razlog | 6,582.31 mi (10,593.20 km) |
| Avenal to Ruse | 6,522.74 mi (10,497.34 km) |
| Avenal to Samokov | 6,557.02 mi (10,552.50 km) |
| Avenal to Sandanski | 6,596.78 mi (10,616.49 km) |
| Avenal to Sevlievo | 6,552.42 mi (10,545.10 km) |
| Avenal to Shumen | 6,578.03 mi (10,586.32 km) |
| Avenal to Silistra | 6,533.46 mi (10,514.59 km) |
| Avenal to Sliven | 6,601.64 mi (10,624.32 km) |
