| Ridge to Popovo | 4,750.12 mi (7,644.58 km) |
| Ridge to Provadia | 4,805.20 mi (7,733.22 km) |
| Ridge to Radnevo | 4,781.51 mi (7,695.10 km) |
| Ridge to Radomir | 4,648.51 mi (7,481.06 km) |
| Ridge to Rakitovo | 4,718.42 mi (7,593.56 km) |
| Ridge to Rakovski | 4,742.35 mi (7,632.07 km) |
| Ridge to Razgrad | 4,753.90 mi (7,650.66 km) |
| Ridge to Razlog | 4,696.84 mi (7,558.84 km) |
| Ridge to Ruse | 4,719.39 mi (7,595.12 km) |
| Ridge to Samokov | 4,682.18 mi (7,535.23 km) |
| Ridge to Sandanski | 4,701.90 mi (7,566.98 km) |
| Ridge to Sevlievo | 4,718.16 mi (7,593.14 km) |
| Ridge to Shumen | 4,781.00 mi (7,694.27 km) |
| Ridge to Silistra | 4,759.24 mi (7,659.25 km) |
| Ridge to Sliven | 4,781.84 mi (7,695.62 km) |
