| Leverkusen to Popovo | 1,043.59 mi (1,679.49 km) |
| Leverkusen to Provadia | 1,098.75 mi (1,768.26 km) |
| Leverkusen to Radnevo | 1,077.35 mi (1,733.83 km) |
| Leverkusen to Radomir | 952.62 mi (1,533.10 km) |
| Leverkusen to Rakitovo | 1,021.61 mi (1,644.11 km) |
| Leverkusen to Rakovski | 1,040.60 mi (1,674.69 km) |
| Leverkusen to Razgrad | 1,047.36 mi (1,685.56 km) |
| Leverkusen to Razlog | 1,003.66 mi (1,615.23 km) |
| Leverkusen to Ruse | 1,012.84 mi (1,630.01 km) |
| Leverkusen to Samokov | 985.16 mi (1,585.47 km) |
| Leverkusen to Sandanski | 1,012.41 mi (1,629.32 km) |
| Leverkusen to Sevlievo | 1,013.22 mi (1,630.61 km) |
| Leverkusen to Shumen | 1,074.45 mi (1,729.16 km) |
| Leverkusen to Silistra | 1,054.33 mi (1,696.77 km) |
| Leverkusen to Sliven | 1,076.04 mi (1,731.72 km) |
