| Belper to Popovo | 1,428.32 mi (2,298.65 km) |
| Belper to Provadia | 1,483.22 mi (2,387.02 km) |
| Belper to Radnevo | 1,461.90 mi (2,352.69 km) |
| Belper to Radomir | 1,335.07 mi (2,148.59 km) |
| Belper to Rakitovo | 1,404.42 mi (2,260.19 km) |
| Belper to Rakovski | 1,424.63 mi (2,292.73 km) |
| Belper to Razgrad | 1,431.93 mi (2,304.47 km) |
| Belper to Razlog | 1,385.48 mi (2,229.71 km) |
| Belper to Ruse | 1,397.42 mi (2,248.93 km) |
| Belper to Samokov | 1,367.97 mi (2,201.53 km) |
| Belper to Sandanski | 1,393.25 mi (2,242.22 km) |
| Belper to Sevlievo | 1,397.88 mi (2,249.67 km) |
| Belper to Shumen | 1,459.03 mi (2,348.09 km) |
| Belper to Silistra | 1,437.92 mi (2,314.12 km) |
| Belper to Sliven | 1,460.82 mi (2,350.96 km) |
