| Morsang-sur-Orge to Popovo | 1,197.91 mi (1,927.86 km) |
| Morsang-sur-Orge to Provadia | 1,257.17 mi (2,023.22 km) |
| Morsang-sur-Orge to Radnevo | 1,218.19 mi (1,960.49 km) |
| Morsang-sur-Orge to Radomir | 1,077.42 mi (1,733.94 km) |
| Morsang-sur-Orge to Rakitovo | 1,147.23 mi (1,846.29 km) |
| Morsang-sur-Orge to Rakovski | 1,175.53 mi (1,891.83 km) |
| Morsang-sur-Orge to Razgrad | 1,205.18 mi (1,939.56 km) |
| Morsang-sur-Orge to Razlog | 1,123.81 mi (1,808.59 km) |
| Morsang-sur-Orge to Ruse | 1,171.21 mi (1,884.88 km) |
| Morsang-sur-Orge to Samokov | 1,111.50 mi (1,788.78 km) |
| Morsang-sur-Orge to Sandanski | 1,127.42 mi (1,814.41 km) |
| Morsang-sur-Orge to Sevlievo | 1,157.70 mi (1,863.13 km) |
| Morsang-sur-Orge to Shumen | 1,231.53 mi (1,981.96 km) |
| Morsang-sur-Orge to Silistra | 1,222.10 mi (1,966.78 km) |
| Morsang-sur-Orge to Sliven | 1,223.39 mi (1,968.86 km) |
