| Tadworth to Popovo | 1,346.44 mi (2,166.89 km) |
| Tadworth to Provadia | 1,403.24 mi (2,258.30 km) |
| Tadworth to Radnevo | 1,375.12 mi (2,213.05 km) |
| Tadworth to Radomir | 1,242.47 mi (1,999.56 km) |
| Tadworth to Rakitovo | 1,312.28 mi (2,111.92 km) |
| Tadworth to Rakovski | 1,335.66 mi (2,149.53 km) |
| Tadworth to Razgrad | 1,351.45 mi (2,174.95 km) |
| Tadworth to Razlog | 1,291.56 mi (2,078.57 km) |
| Tadworth to Ruse | 1,316.98 mi (2,119.47 km) |
| Tadworth to Samokov | 1,275.96 mi (2,053.45 km) |
| Tadworth to Sandanski | 1,297.78 mi (2,088.57 km) |
| Tadworth to Sevlievo | 1,312.17 mi (2,111.73 km) |
| Tadworth to Shumen | 1,378.40 mi (2,218.32 km) |
| Tadworth to Silistra | 1,361.60 mi (2,191.28 km) |
| Tadworth to Sliven | 1,376.43 mi (2,215.15 km) |
