| Bullas to Popovo | 1,499.18 mi (2,412.69 km) |
| Bullas to Provadia | 1,558.63 mi (2,508.37 km) |
| Bullas to Radnevo | 1,479.73 mi (2,381.39 km) |
| Bullas to Radomir | 1,329.00 mi (2,138.83 km) |
| Bullas to Rakitovo | 1,384.10 mi (2,227.50 km) |
| Bullas to Rakovski | 1,430.28 mi (2,301.81 km) |
| Bullas to Razgrad | 1,514.38 mi (2,437.16 km) |
| Bullas to Razlog | 1,352.11 mi (2,176.00 km) |
| Bullas to Ruse | 1,488.27 mi (2,395.14 km) |
| Bullas to Samokov | 1,358.57 mi (2,186.41 km) |
| Bullas to Sandanski | 1,341.64 mi (2,159.16 km) |
| Bullas to Sevlievo | 1,441.13 mi (2,319.27 km) |
| Bullas to Shumen | 1,533.93 mi (2,468.63 km) |
| Bullas to Silistra | 1,554.97 mi (2,502.48 km) |
| Bullas to Sliven | 1,501.24 mi (2,416.01 km) |
