| Southbourne to Popovo | 1,404.41 mi (2,260.19 km) |
| Southbourne to Provadia | 1,462.07 mi (2,352.97 km) |
| Southbourne to Radnevo | 1,430.36 mi (2,301.93 km) |
| Southbourne to Radomir | 1,294.49 mi (2,083.28 km) |
| Southbourne to Rakitovo | 1,364.42 mi (2,195.82 km) |
| Southbourne to Rakovski | 1,389.69 mi (2,236.48 km) |
| Southbourne to Razgrad | 1,410.14 mi (2,269.39 km) |
| Southbourne to Razlog | 1,342.59 mi (2,160.69 km) |
| Southbourne to Ruse | 1,375.75 mi (2,214.06 km) |
| Southbourne to Samokov | 1,328.26 mi (2,137.63 km) |
| Southbourne to Sandanski | 1,347.74 mi (2,168.98 km) |
| Southbourne to Sevlievo | 1,368.14 mi (2,201.81 km) |
| Southbourne to Shumen | 1,436.94 mi (2,312.53 km) |
| Southbourne to Silistra | 1,422.28 mi (2,288.94 km) |
| Southbourne to Sliven | 1,432.99 mi (2,306.18 km) |
