| Olsberg to Popovo | 993.91 mi (1,599.55 km) |
| Olsberg to Provadia | 1,047.80 mi (1,686.26 km) |
| Olsberg to Radnevo | 1,030.78 mi (1,658.88 km) |
| Olsberg to Radomir | 910.98 mi (1,466.07 km) |
| Olsberg to Rakitovo | 979.20 mi (1,575.86 km) |
| Olsberg to Rakovski | 995.73 mi (1,602.47 km) |
| Olsberg to Razgrad | 996.82 mi (1,604.22 km) |
| Olsberg to Razlog | 962.77 mi (1,549.43 km) |
| Olsberg to Ruse | 962.36 mi (1,548.77 km) |
| Olsberg to Samokov | 942.86 mi (1,517.38 km) |
| Olsberg to Sandanski | 972.77 mi (1,565.52 km) |
| Olsberg to Sevlievo | 966.15 mi (1,554.86 km) |
| Olsberg to Shumen | 1,023.94 mi (1,647.87 km) |
| Olsberg to Silistra | 1,001.37 mi (1,611.54 km) |
| Olsberg to Sliven | 1,027.88 mi (1,654.22 km) |
