| Tonyrefail to Popovo | 1,484.89 mi (2,389.70 km) |
| Tonyrefail to Provadia | 1,541.83 mi (2,481.34 km) |
| Tonyrefail to Radnevo | 1,512.94 mi (2,434.85 km) |
| Tonyrefail to Radomir | 1,379.16 mi (2,219.55 km) |
| Tonyrefail to Rakitovo | 1,449.04 mi (2,332.00 km) |
| Tonyrefail to Rakovski | 1,473.10 mi (2,370.73 km) |
| Tonyrefail to Razgrad | 1,490.02 mi (2,397.95 km) |
| Tonyrefail to Razlog | 1,427.86 mi (2,297.92 km) |
| Tonyrefail to Ruse | 1,455.55 mi (2,342.48 km) |
| Tonyrefail to Samokov | 1,412.77 mi (2,273.63 km) |
| Tonyrefail to Sandanski | 1,433.61 mi (2,307.17 km) |
| Tonyrefail to Sevlievo | 1,450.18 mi (2,333.83 km) |
| Tonyrefail to Shumen | 1,516.94 mi (2,441.28 km) |
| Tonyrefail to Silistra | 1,500.35 mi (2,414.58 km) |
| Tonyrefail to Sliven | 1,514.59 mi (2,437.50 km) |
