| Ratzeburg to Popovo | 1,002.52 mi (1,613.41 km) |
| Ratzeburg to Provadia | 1,050.00 mi (1,689.81 km) |
| Ratzeburg to Radnevo | 1,050.67 mi (1,690.90 km) |
| Ratzeburg to Radomir | 951.15 mi (1,530.73 km) |
| Ratzeburg to Rakitovo | 1,015.14 mi (1,633.71 km) |
| Ratzeburg to Rakovski | 1,022.62 mi (1,645.75 km) |
| Ratzeburg to Razgrad | 1,001.81 mi (1,612.26 km) |
| Ratzeburg to Razlog | 1,004.25 mi (1,616.18 km) |
| Ratzeburg to Ruse | 968.40 mi (1,558.50 km) |
| Ratzeburg to Samokov | 980.00 mi (1,577.16 km) |
| Ratzeburg to Sandanski | 1,018.08 mi (1,638.44 km) |
| Ratzeburg to Sevlievo | 985.60 mi (1,586.17 km) |
| Ratzeburg to Shumen | 1,028.48 mi (1,655.18 km) |
| Ratzeburg to Silistra | 995.93 mi (1,602.79 km) |
| Ratzeburg to Sliven | 1,041.77 mi (1,676.56 km) |
