| Riverbank to Popovo | 6,469.15 mi (10,411.08 km) |
| Riverbank to Provadia | 6,505.10 mi (10,468.95 km) |
| Riverbank to Radnevo | 6,528.03 mi (10,505.85 km) |
| Riverbank to Radomir | 6,444.10 mi (10,370.77 km) |
| Riverbank to Rakitovo | 6,505.54 mi (10,469.66 km) |
| Riverbank to Rakovski | 6,507.03 mi (10,472.06 km) |
| Riverbank to Razgrad | 6,463.78 mi (10,402.45 km) |
| Riverbank to Razlog | 6,497.17 mi (10,456.18 km) |
| Riverbank to Ruse | 6,433.62 mi (10,353.92 km) |
| Riverbank to Samokov | 6,471.44 mi (10,414.77 km) |
| Riverbank to Sandanski | 6,512.08 mi (10,480.18 km) |
| Riverbank to Sevlievo | 6,464.71 mi (10,403.95 km) |
| Riverbank to Shumen | 6,488.29 mi (10,441.90 km) |
| Riverbank to Silistra | 6,442.85 mi (10,368.76 km) |
| Riverbank to Sliven | 6,512.92 mi (10,481.53 km) |
