| Valka to Popovo | 996.15 mi (1,603.15 km) |
| Valka to Provadia | 1,009.53 mi (1,624.68 km) |
| Valka to Radnevo | 1,068.65 mi (1,719.82 km) |
| Valka to Radomir | 1,059.73 mi (1,705.48 km) |
| Valka to Rakitovo | 1,093.75 mi (1,760.22 km) |
| Valka to Rakovski | 1,070.40 mi (1,722.64 km) |
| Valka to Razgrad | 983.69 mi (1,583.09 km) |
| Valka to Razlog | 1,103.04 mi (1,775.17 km) |
| Valka to Ruse | 963.41 mi (1,550.46 km) |
| Valka to Samokov | 1,071.41 mi (1,724.26 km) |
| Valka to Sandanski | 1,125.57 mi (1,811.42 km) |
| Valka to Sevlievo | 1,019.24 mi (1,640.30 km) |
| Valka to Shumen | 1,001.52 mi (1,611.79 km) |
| Valka to Silistra | 944.64 mi (1,520.26 km) |
| Valka to Sliven | 1,042.26 mi (1,677.36 km) |
