| Reading to Popovo | 1,379.68 mi (2,220.38 km) |
| Reading to Provadia | 1,436.42 mi (2,311.69 km) |
| Reading to Radnevo | 1,408.50 mi (2,266.76 km) |
| Reading to Radomir | 1,275.89 mi (2,053.34 km) |
| Reading to Rakitovo | 1,345.70 mi (2,165.70 km) |
| Reading to Rakovski | 1,369.06 mi (2,203.29 km) |
| Reading to Razgrad | 1,384.64 mi (2,228.37 km) |
| Reading to Razlog | 1,324.97 mi (2,132.34 km) |
| Reading to Ruse | 1,350.16 mi (2,172.87 km) |
| Reading to Samokov | 1,309.37 mi (2,107.24 km) |
| Reading to Sandanski | 1,331.17 mi (2,142.31 km) |
| Reading to Sevlievo | 1,345.51 mi (2,165.39 km) |
| Reading to Shumen | 1,411.60 mi (2,271.74 km) |
| Reading to Silistra | 1,394.60 mi (2,244.40 km) |
| Reading to Sliven | 1,409.75 mi (2,268.77 km) |
