| Severn to Popovo | 4,982.86 mi (8,019.13 km) |
| Severn to Provadia | 5,037.64 mi (8,107.31 km) |
| Severn to Radnevo | 5,014.91 mi (8,070.72 km) |
| Severn to Radomir | 4,882.58 mi (7,857.75 km) |
| Severn to Rakitovo | 4,952.46 mi (7,970.22 km) |
| Severn to Rakovski | 4,976.02 mi (8,008.14 km) |
| Severn to Razgrad | 4,986.44 mi (8,024.90 km) |
| Severn to Razlog | 4,931.08 mi (7,935.81 km) |
| Severn to Ruse | 4,951.94 mi (7,969.37 km) |
| Severn to Samokov | 4,916.19 mi (7,911.85 km) |
| Severn to Sandanski | 4,936.32 mi (7,944.24 km) |
| Severn to Sevlievo | 4,951.42 mi (7,968.53 km) |
| Severn to Shumen | 5,013.55 mi (8,068.53 km) |
| Severn to Silistra | 4,991.16 mi (8,032.50 km) |
| Severn to Sliven | 5,014.92 mi (8,070.73 km) |
