| Horn-Bad Meinberg to Popovo | 993.06 mi (1,598.17 km) |
| Horn-Bad Meinberg to Provadia | 1,045.66 mi (1,682.82 km) |
| Horn-Bad Meinberg to Radnevo | 1,032.61 mi (1,661.82 km) |
| Horn-Bad Meinberg to Radomir | 917.09 mi (1,475.92 km) |
| Horn-Bad Meinberg to Rakitovo | 984.56 mi (1,584.49 km) |
| Horn-Bad Meinberg to Rakovski | 999.06 mi (1,607.82 km) |
| Horn-Bad Meinberg to Razgrad | 995.15 mi (1,601.54 km) |
| Horn-Bad Meinberg to Razlog | 969.37 mi (1,560.04 km) |
| Horn-Bad Meinberg to Ruse | 960.82 mi (1,546.29 km) |
| Horn-Bad Meinberg to Samokov | 948.38 mi (1,526.27 km) |
| Horn-Bad Meinberg to Sandanski | 980.28 mi (1,577.62 km) |
| Horn-Bad Meinberg to Sevlievo | 967.67 mi (1,557.32 km) |
| Horn-Bad Meinberg to Shumen | 1,022.26 mi (1,645.16 km) |
| Horn-Bad Meinberg to Silistra | 997.36 mi (1,605.10 km) |
| Horn-Bad Meinberg to Sliven | 1,028.33 mi (1,654.94 km) |
