| Riverview to Popovo | 5,758.33 mi (9,267.14 km) |
| Riverview to Provadia | 5,815.32 mi (9,358.85 km) |
| Riverview to Radnevo | 5,784.33 mi (9,308.98 km) |
| Riverview to Radomir | 5,645.44 mi (9,085.46 km) |
| Riverview to Rakitovo | 5,715.26 mi (9,197.83 km) |
| Riverview to Rakovski | 5,742.82 mi (9,242.18 km) |
| Riverview to Razgrad | 5,763.52 mi (9,275.49 km) |
| Riverview to Razlog | 5,691.66 mi (9,159.84 km) |
| Riverview to Ruse | 5,729.05 mi (9,220.01 km) |
| Riverview to Samokov | 5,679.50 mi (9,140.26 km) |
| Riverview to Sandanski | 5,694.64 mi (9,164.64 km) |
| Riverview to Sevlievo | 5,722.42 mi (9,209.35 km) |
| Riverview to Shumen | 5,790.45 mi (9,318.83 km) |
| Riverview to Silistra | 5,772.85 mi (9,290.50 km) |
| Riverview to Sliven | 5,787.33 mi (9,313.81 km) |
