| Cascades to Popovo | 5,014.53 mi (8,070.11 km) |
| Cascades to Provadia | 5,069.17 mi (8,158.04 km) |
| Cascades to Radnevo | 5,046.94 mi (8,122.26 km) |
| Cascades to Radomir | 4,915.01 mi (7,909.94 km) |
| Cascades to Rakitovo | 4,984.88 mi (8,022.38 km) |
| Cascades to Rakovski | 5,008.21 mi (8,059.94 km) |
| Cascades to Razgrad | 5,018.02 mi (8,075.72 km) |
| Cascades to Razlog | 4,963.62 mi (7,988.17 km) |
| Cascades to Ruse | 4,983.52 mi (8,020.20 km) |
| Cascades to Samokov | 4,948.59 mi (7,963.98 km) |
| Cascades to Sandanski | 4,968.97 mi (7,996.79 km) |
| Cascades to Sevlievo | 4,983.37 mi (8,019.96 km) |
| Cascades to Shumen | 5,045.13 mi (8,119.35 km) |
| Cascades to Silistra | 5,022.44 mi (8,082.84 km) |
| Cascades to Sliven | 5,046.77 mi (8,121.99 km) |
