| Libourne to Popovo | 1,311.39 mi (2,110.47 km) |
| Libourne to Provadia | 1,372.74 mi (2,209.20 km) |
| Libourne to Radnevo | 1,315.99 mi (2,117.88 km) |
| Libourne to Radomir | 1,165.16 mi (1,875.15 km) |
| Libourne to Rakitovo | 1,231.98 mi (1,982.69 km) |
| Libourne to Rakovski | 1,268.88 mi (2,042.07 km) |
| Libourne to Razgrad | 1,322.20 mi (2,127.87 km) |
| Libourne to Razlog | 1,203.95 mi (1,937.57 km) |
| Libourne to Ruse | 1,290.29 mi (2,076.52 km) |
| Libourne to Samokov | 1,198.92 mi (1,929.48 km) |
| Libourne to Sandanski | 1,201.86 mi (1,934.21 km) |
| Libourne to Sevlievo | 1,262.26 mi (2,031.41 km) |
| Libourne to Shumen | 1,346.64 mi (2,167.20 km) |
| Libourne to Silistra | 1,349.46 mi (2,171.74 km) |
| Libourne to Sliven | 1,328.10 mi (2,137.37 km) |
