| Kingston upon Thames to Popovo | 1,350.76 mi (2,173.84 km) |
| Kingston upon Thames to Provadia | 1,407.44 mi (2,265.05 km) |
| Kingston upon Thames to Radnevo | 1,379.81 mi (2,220.59 km) |
| Kingston upon Thames to Radomir | 1,247.56 mi (2,007.76 km) |
| Kingston upon Thames to Rakitovo | 1,317.36 mi (2,120.08 km) |
| Kingston upon Thames to Rakovski | 1,340.50 mi (2,157.32 km) |
| Kingston upon Thames to Razgrad | 1,355.68 mi (2,181.75 km) |
| Kingston upon Thames to Razlog | 1,296.76 mi (2,086.94 km) |
| Kingston upon Thames to Ruse | 1,321.19 mi (2,126.25 km) |
| Kingston upon Thames to Samokov | 1,281.01 mi (2,061.59 km) |
| Kingston upon Thames to Sandanski | 1,303.10 mi (2,097.14 km) |
| Kingston upon Thames to Sevlievo | 1,316.76 mi (2,119.12 km) |
| Kingston upon Thames to Shumen | 1,382.64 mi (2,225.14 km) |
| Kingston upon Thames to Silistra | 1,365.52 mi (2,197.59 km) |
| Kingston upon Thames to Sliven | 1,380.94 mi (2,222.41 km) |
