| Henley on Thames to Popovo | 1,378.05 mi (2,217.75 km) |
| Henley on Thames to Provadia | 1,434.68 mi (2,308.90 km) |
| Henley on Thames to Radnevo | 1,407.17 mi (2,264.63 km) |
| Henley on Thames to Radomir | 1,274.93 mi (2,051.81 km) |
| Henley on Thames to Rakitovo | 1,344.73 mi (2,164.13 km) |
| Henley on Thames to Rakovski | 1,367.88 mi (2,201.38 km) |
| Henley on Thames to Razgrad | 1,382.93 mi (2,225.61 km) |
| Henley on Thames to Razlog | 1,324.12 mi (2,130.96 km) |
| Henley on Thames to Ruse | 1,348.44 mi (2,170.10 km) |
| Henley on Thames to Samokov | 1,308.39 mi (2,105.64 km) |
| Henley on Thames to Sandanski | 1,330.43 mi (2,141.12 km) |
| Henley on Thames to Sevlievo | 1,344.11 mi (2,163.14 km) |
| Henley on Thames to Shumen | 1,409.89 mi (2,269.00 km) |
| Henley on Thames to Silistra | 1,392.64 mi (2,241.24 km) |
| Henley on Thames to Sliven | 1,408.27 mi (2,266.40 km) |
