| Canals to Popovo | 1,421.17 mi (2,287.15 km) |
| Canals to Provadia | 1,481.00 mi (2,383.43 km) |
| Canals to Radnevo | 1,403.66 mi (2,258.97 km) |
| Canals to Radomir | 1,252.20 mi (2,015.23 km) |
| Canals to Rakitovo | 1,308.61 mi (2,106.00 km) |
| Canals to Rakovski | 1,354.19 mi (2,179.36 km) |
| Canals to Razgrad | 1,436.08 mi (2,311.15 km) |
| Canals to Razlog | 1,276.80 mi (2,054.81 km) |
| Canals to Ruse | 1,409.42 mi (2,268.24 km) |
| Canals to Samokov | 1,282.28 mi (2,063.64 km) |
| Canals to Sandanski | 1,267.04 mi (2,039.11 km) |
| Canals to Sevlievo | 1,363.61 mi (2,194.52 km) |
| Canals to Shumen | 1,456.09 mi (2,343.36 km) |
| Canals to Silistra | 1,475.78 mi (2,375.03 km) |
| Canals to Sliven | 1,424.45 mi (2,292.44 km) |
