| Rostock to Popovo | 977.77 mi (1,573.56 km) |
| Rostock to Provadia | 1,022.96 mi (1,646.30 km) |
| Rostock to Radnevo | 1,029.08 mi (1,656.14 km) |
| Rostock to Radomir | 936.81 mi (1,507.65 km) |
| Rostock to Rakitovo | 998.91 mi (1,607.59 km) |
| Rostock to Rakovski | 1,003.44 mi (1,614.87 km) |
| Rostock to Razgrad | 975.95 mi (1,570.64 km) |
| Rostock to Razlog | 989.89 mi (1,593.08 km) |
| Rostock to Ruse | 943.12 mi (1,517.80 km) |
| Rostock to Samokov | 964.43 mi (1,552.10 km) |
| Rostock to Sandanski | 1,004.88 mi (1,617.20 km) |
| Rostock to Sevlievo | 964.33 mi (1,551.95 km) |
| Rostock to Shumen | 1,002.29 mi (1,613.04 km) |
| Rostock to Silistra | 966.95 mi (1,556.16 km) |
| Rostock to Sliven | 1,018.36 mi (1,638.89 km) |
