| Ludza to Popovo | 914.36 mi (1,471.52 km) |
| Ludza to Provadia | 923.63 mi (1,486.44 km) |
| Ludza to Radnevo | 987.75 mi (1,589.63 km) |
| Ludza to Radomir | 990.03 mi (1,593.29 km) |
| Ludza to Rakitovo | 1,019.34 mi (1,640.48 km) |
| Ludza to Rakovski | 992.91 mi (1,597.93 km) |
| Ludza to Razgrad | 900.91 mi (1,449.87 km) |
| Ludza to Razlog | 1,030.87 mi (1,659.02 km) |
| Ludza to Ruse | 882.72 mi (1,420.60 km) |
| Ludza to Samokov | 999.19 mi (1,608.04 km) |
| Ludza to Sandanski | 1,053.89 mi (1,696.07 km) |
| Ludza to Sevlievo | 941.46 mi (1,515.13 km) |
| Ludza to Shumen | 917.29 mi (1,476.23 km) |
| Ludza to Silistra | 859.25 mi (1,382.84 km) |
| Ludza to Sliven | 960.05 mi (1,545.04 km) |
