| Farmers Branch to Popovo | 6,061.21 mi (9,754.58 km) |
| Farmers Branch to Provadia | 6,111.63 mi (9,835.72 km) |
| Farmers Branch to Radnevo | 6,101.98 mi (9,820.18 km) |
| Farmers Branch to Radomir | 5,980.75 mi (9,625.09 km) |
| Farmers Branch to Rakitovo | 6,049.73 mi (9,736.09 km) |
| Farmers Branch to Rakovski | 6,067.44 mi (9,764.60 km) |
| Farmers Branch to Razgrad | 6,062.19 mi (9,756.14 km) |
| Farmers Branch to Razlog | 6,031.59 mi (9,706.91 km) |
| Farmers Branch to Ruse | 6,028.17 mi (9,701.40 km) |
| Farmers Branch to Samokov | 6,013.29 mi (9,677.46 km) |
| Farmers Branch to Sandanski | 6,039.67 mi (9,719.91 km) |
| Farmers Branch to Sevlievo | 6,037.08 mi (9,715.75 km) |
| Farmers Branch to Shumen | 6,089.16 mi (9,799.55 km) |
| Farmers Branch to Silistra | 6,059.20 mi (9,751.34 km) |
| Farmers Branch to Sliven | 6,097.52 mi (9,813.01 km) |
