| Loos to Popovo | 1,197.41 mi (1,927.05 km) |
| Loos to Provadia | 1,254.41 mi (2,018.79 km) |
| Loos to Radnevo | 1,225.80 mi (1,972.73 km) |
| Loos to Radomir | 1,093.35 mi (1,759.58 km) |
| Loos to Rakitovo | 1,163.14 mi (1,871.89 km) |
| Loos to Rakovski | 1,186.34 mi (1,909.23 km) |
| Loos to Razgrad | 1,202.58 mi (1,935.37 km) |
| Loos to Razlog | 1,142.61 mi (1,838.85 km) |
| Loos to Ruse | 1,168.12 mi (1,879.91 km) |
| Loos to Samokov | 1,126.79 mi (1,813.40 km) |
| Loos to Sandanski | 1,149.05 mi (1,849.22 km) |
| Loos to Sevlievo | 1,162.87 mi (1,871.46 km) |
| Loos to Shumen | 1,229.50 mi (1,978.68 km) |
| Loos to Silistra | 1,213.36 mi (1,952.72 km) |
| Loos to Sliven | 1,227.19 mi (1,974.97 km) |
