| Ronda to Popovo | 1,711.27 mi (2,754.03 km) |
| Ronda to Provadia | 1,770.67 mi (2,849.63 km) |
| Ronda to Radnevo | 1,691.40 mi (2,722.05 km) |
| Ronda to Radomir | 1,540.91 mi (2,479.85 km) |
| Ronda to Rakitovo | 1,595.60 mi (2,567.87 km) |
| Ronda to Rakovski | 1,641.97 mi (2,642.49 km) |
| Ronda to Razgrad | 1,726.51 mi (2,778.54 km) |
| Ronda to Razlog | 1,563.54 mi (2,516.28 km) |
| Ronda to Ruse | 1,700.41 mi (2,736.54 km) |
| Ronda to Samokov | 1,570.33 mi (2,527.21 km) |
| Ronda to Sandanski | 1,552.79 mi (2,498.98 km) |
| Ronda to Sevlievo | 1,653.16 mi (2,660.51 km) |
| Ronda to Shumen | 1,746.01 mi (2,809.93 km) |
| Ronda to Silistra | 1,767.10 mi (2,843.87 km) |
| Ronda to Sliven | 1,713.12 mi (2,757.00 km) |
