| Bollnas to Popovo | 1,307.65 mi (2,104.46 km) |
| Bollnas to Provadia | 1,334.77 mi (2,148.10 km) |
| Bollnas to Radnevo | 1,374.33 mi (2,211.78 km) |
| Bollnas to Radomir | 1,326.90 mi (2,135.44 km) |
| Bollnas to Rakitovo | 1,375.72 mi (2,214.01 km) |
| Bollnas to Rakovski | 1,364.11 mi (2,195.32 km) |
| Bollnas to Razgrad | 1,299.07 mi (2,090.65 km) |
| Bollnas to Razlog | 1,376.79 mi (2,215.73 km) |
| Bollnas to Ruse | 1,272.49 mi (2,047.88 km) |
| Bollnas to Samokov | 1,346.72 mi (2,167.34 km) |
| Bollnas to Sandanski | 1,396.64 mi (2,247.67 km) |
| Bollnas to Sevlievo | 1,316.01 mi (2,117.92 km) |
| Bollnas to Shumen | 1,321.26 mi (2,126.36 km) |
| Bollnas to Silistra | 1,270.43 mi (2,044.55 km) |
| Bollnas to Sliven | 1,353.52 mi (2,178.28 km) |
