| Brentwood to Popovo | 1,329.24 mi (2,139.21 km) |
| Brentwood to Provadia | 1,385.55 mi (2,229.83 km) |
| Brentwood to Radnevo | 1,359.37 mi (2,187.70 km) |
| Brentwood to Radomir | 1,228.49 mi (1,977.06 km) |
| Brentwood to Rakitovo | 1,298.19 mi (2,089.23 km) |
| Brentwood to Rakovski | 1,320.56 mi (2,125.24 km) |
| Brentwood to Razgrad | 1,333.87 mi (2,146.66 km) |
| Brentwood to Razlog | 1,278.05 mi (2,056.82 km) |
| Brentwood to Ruse | 1,299.36 mi (2,091.13 km) |
| Brentwood to Samokov | 1,261.80 mi (2,030.67 km) |
| Brentwood to Sandanski | 1,284.81 mi (2,067.69 km) |
| Brentwood to Sevlievo | 1,296.06 mi (2,085.81 km) |
| Brentwood to Shumen | 1,360.87 mi (2,190.12 km) |
| Brentwood to Silistra | 1,342.91 mi (2,161.20 km) |
| Brentwood to Sliven | 1,359.97 mi (2,188.66 km) |
