| Bristol to Popovo | 1,448.01 mi (2,330.34 km) |
| Bristol to Provadia | 1,504.99 mi (2,422.04 km) |
| Bristol to Radnevo | 1,476.01 mi (2,375.41 km) |
| Bristol to Radomir | 1,342.27 mi (2,160.18 km) |
| Bristol to Rakitovo | 1,412.14 mi (2,272.63 km) |
| Bristol to Rakovski | 1,436.17 mi (2,311.29 km) |
| Bristol to Razgrad | 1,453.16 mi (2,338.64 km) |
| Bristol to Razlog | 1,391.00 mi (2,238.60 km) |
| Bristol to Ruse | 1,418.70 mi (2,283.17 km) |
| Bristol to Samokov | 1,375.87 mi (2,214.25 km) |
| Bristol to Sandanski | 1,396.79 mi (2,247.92 km) |
| Bristol to Sevlievo | 1,413.25 mi (2,274.40 km) |
| Bristol to Shumen | 1,480.08 mi (2,381.96 km) |
| Bristol to Silistra | 1,463.61 mi (2,355.46 km) |
| Bristol to Sliven | 1,477.67 mi (2,378.09 km) |
