| Central to Popovo | 5,972.36 mi (9,611.59 km) |
| Central to Provadia | 6,025.85 mi (9,697.66 km) |
| Central to Radnevo | 6,007.18 mi (9,667.62 km) |
| Central to Radomir | 5,877.80 mi (9,459.40 km) |
| Central to Rakitovo | 5,947.55 mi (9,571.65 km) |
| Central to Rakovski | 5,969.50 mi (9,606.99 km) |
| Central to Razgrad | 5,975.11 mi (9,616.01 km) |
| Central to Razlog | 5,927.01 mi (9,538.59 km) |
| Central to Ruse | 5,940.69 mi (9,560.62 km) |
| Central to Samokov | 5,911.17 mi (9,513.11 km) |
| Central to Sandanski | 5,932.99 mi (9,548.22 km) |
| Central to Sevlievo | 5,943.15 mi (9,564.57 km) |
| Central to Shumen | 6,002.23 mi (9,659.66 km) |
| Central to Silistra | 5,977.26 mi (9,619.47 km) |
| Central to Sliven | 6,005.83 mi (9,665.45 km) |
