| Echternach to Popovo | 1,037.20 mi (1,669.21 km) |
| Echternach to Provadia | 1,094.42 mi (1,761.30 km) |
| Echternach to Radnevo | 1,065.32 mi (1,714.46 km) |
| Echternach to Radomir | 933.34 mi (1,502.06 km) |
| Echternach to Rakitovo | 1,003.07 mi (1,614.28 km) |
| Echternach to Rakovski | 1,025.93 mi (1,651.08 km) |
| Echternach to Razgrad | 1,042.54 mi (1,677.81 km) |
| Echternach to Razlog | 982.85 mi (1,581.75 km) |
| Echternach to Ruse | 1,008.11 mi (1,622.40 km) |
| Echternach to Samokov | 966.69 mi (1,555.74 km) |
| Echternach to Sandanski | 989.67 mi (1,592.72 km) |
| Echternach to Sevlievo | 1,002.40 mi (1,613.21 km) |
| Echternach to Shumen | 1,069.42 mi (1,721.07 km) |
| Echternach to Silistra | 1,054.09 mi (1,696.39 km) |
| Echternach to Sliven | 1,066.76 mi (1,716.79 km) |
