| Osuna to Popovo | 1,693.66 mi (2,725.69 km) |
| Osuna to Provadia | 1,753.33 mi (2,821.72 km) |
| Osuna to Radnevo | 1,675.10 mi (2,695.81 km) |
| Osuna to Radomir | 1,524.08 mi (2,452.78 km) |
| Osuna to Rakitovo | 1,579.63 mi (2,542.18 km) |
| Osuna to Rakovski | 1,625.64 mi (2,616.21 km) |
| Osuna to Razgrad | 1,708.69 mi (2,749.87 km) |
| Osuna to Razlog | 1,547.68 mi (2,490.76 km) |
| Osuna to Ruse | 1,682.19 mi (2,707.23 km) |
| Osuna to Samokov | 1,553.85 mi (2,500.68 km) |
| Osuna to Sandanski | 1,537.37 mi (2,474.15 km) |
| Osuna to Sevlievo | 1,635.88 mi (2,632.70 km) |
| Osuna to Shumen | 1,728.52 mi (2,781.78 km) |
| Osuna to Silistra | 1,748.63 mi (2,814.15 km) |
| Osuna to Sliven | 1,696.34 mi (2,730.00 km) |
