| Two Rivers to Popovo | 5,146.23 mi (8,282.06 km) |
| Two Rivers to Provadia | 5,195.57 mi (8,361.46 km) |
| Two Rivers to Radnevo | 5,189.01 mi (8,350.90 km) |
| Two Rivers to Radomir | 5,071.39 mi (8,161.61 km) |
| Two Rivers to Rakitovo | 5,139.84 mi (8,271.78 km) |
| Two Rivers to Rakovski | 5,155.76 mi (8,297.39 km) |
| Two Rivers to Razgrad | 5,146.62 mi (8,282.69 km) |
| Two Rivers to Razlog | 5,122.82 mi (8,244.38 km) |
| Two Rivers to Ruse | 5,112.80 mi (8,228.25 km) |
| Two Rivers to Samokov | 5,103.48 mi (8,213.26 km) |
| Two Rivers to Sandanski | 5,131.83 mi (8,258.88 km) |
| Two Rivers to Sevlievo | 5,123.94 mi (8,246.18 km) |
| Two Rivers to Shumen | 5,173.50 mi (8,325.94 km) |
| Two Rivers to Silistra | 5,142.09 mi (8,275.40 km) |
| Two Rivers to Sliven | 5,183.44 mi (8,341.94 km) |
