| San Severino Marche to Popovo | 656.02 mi (1,055.76 km) |
| San Severino Marche to Provadia | 717.10 mi (1,154.07 km) |
| San Severino Marche to Radnevo | 649.59 mi (1,045.42 km) |
| San Severino Marche to Radomir | 496.66 mi (799.30 km) |
| San Severino Marche to Rakitovo | 560.85 mi (902.60 km) |
| San Severino Marche to Rakovski | 601.03 mi (967.27 km) |
| San Severino Marche to Razgrad | 669.49 mi (1,077.44 km) |
| San Severino Marche to Razlog | 531.52 mi (855.40 km) |
| San Severino Marche to Ruse | 640.75 mi (1,031.19 km) |
| San Severino Marche to Samokov | 529.53 mi (852.19 km) |
| San Severino Marche to Sandanski | 527.86 mi (849.51 km) |
| San Severino Marche to Sevlievo | 601.56 mi (968.11 km) |
| San Severino Marche to Shumen | 691.45 mi (1,112.78 km) |
| San Severino Marche to Silistra | 705.62 mi (1,135.58 km) |
| San Severino Marche to Sliven | 665.66 mi (1,071.27 km) |
