| Twin Rivers to Popovo | 4,843.40 mi (7,794.69 km) |
| Twin Rivers to Provadia | 4,898.32 mi (7,883.09 km) |
| Twin Rivers to Radnevo | 4,875.14 mi (7,845.78 km) |
| Twin Rivers to Radomir | 4,742.51 mi (7,632.33 km) |
| Twin Rivers to Rakitovo | 4,812.40 mi (7,744.81 km) |
| Twin Rivers to Rakovski | 4,836.13 mi (7,783.00 km) |
| Twin Rivers to Razgrad | 4,847.07 mi (7,800.61 km) |
| Twin Rivers to Razlog | 4,790.94 mi (7,710.27 km) |
| Twin Rivers to Ruse | 4,812.56 mi (7,745.07 km) |
| Twin Rivers to Samokov | 4,776.14 mi (7,686.46 km) |
| Twin Rivers to Sandanski | 4,796.10 mi (7,718.57 km) |
| Twin Rivers to Sevlievo | 4,811.71 mi (7,743.70 km) |
| Twin Rivers to Shumen | 4,874.18 mi (7,844.23 km) |
| Twin Rivers to Silistra | 4,852.09 mi (7,808.69 km) |
| Twin Rivers to Sliven | 4,875.29 mi (7,846.03 km) |
