| Bon Air to Popovo | 5,093.10 mi (8,196.56 km) |
| Bon Air to Provadia | 5,148.26 mi (8,285.32 km) |
| Bon Air to Radnevo | 5,124.24 mi (8,246.67 km) |
| Bon Air to Radomir | 4,990.83 mi (8,031.96 km) |
| Bon Air to Rakitovo | 5,060.74 mi (8,144.47 km) |
| Bon Air to Rakovski | 5,084.93 mi (8,183.40 km) |
| Bon Air to Razgrad | 5,096.94 mi (8,202.72 km) |
| Bon Air to Razlog | 5,039.00 mi (8,109.49 km) |
| Bon Air to Ruse | 5,062.42 mi (8,147.18 km) |
| Bon Air to Samokov | 5,024.53 mi (8,086.19 km) |
| Bon Air to Sandanski | 5,043.90 mi (8,117.37 km) |
| Bon Air to Sevlievo | 5,060.96 mi (8,144.82 km) |
| Bon Air to Shumen | 5,124.03 mi (8,246.33 km) |
| Bon Air to Silistra | 5,102.37 mi (8,211.47 km) |
| Bon Air to Sliven | 5,124.71 mi (8,247.42 km) |
