| Brenham to Popovo | 6,195.26 mi (9,970.31 km) |
| Brenham to Provadia | 6,246.88 mi (10,053.39 km) |
| Brenham to Radnevo | 6,233.80 mi (10,032.34 km) |
| Brenham to Radomir | 6,109.28 mi (9,831.93 km) |
| Brenham to Rakitovo | 6,178.63 mi (9,943.54 km) |
| Brenham to Rakovski | 6,198.02 mi (9,974.75 km) |
| Brenham to Razgrad | 6,196.90 mi (9,972.95 km) |
| Brenham to Razlog | 6,159.52 mi (9,912.80 km) |
| Brenham to Ruse | 6,162.70 mi (9,917.91 km) |
| Brenham to Samokov | 6,142.18 mi (9,884.88 km) |
| Brenham to Sandanski | 6,166.78 mi (9,924.47 km) |
| Brenham to Sevlievo | 6,169.17 mi (9,928.33 km) |
| Brenham to Shumen | 6,223.96 mi (10,016.49 km) |
| Brenham to Silistra | 6,195.83 mi (9,971.22 km) |
| Brenham to Sliven | 6,230.53 mi (10,027.07 km) |
