| Belley to Popovo | 1,022.21 mi (1,645.08 km) |
| Belley to Provadia | 1,083.34 mi (1,743.47 km) |
| Belley to Radnevo | 1,030.69 mi (1,658.73 km) |
| Belley to Radomir | 882.02 mi (1,419.48 km) |
| Belley to Rakitovo | 950.24 mi (1,529.27 km) |
| Belley to Rakovski | 984.63 mi (1,584.61 km) |
| Belley to Razgrad | 1,032.34 mi (1,661.39 km) |
| Belley to Razlog | 923.61 mi (1,486.40 km) |
| Belley to Ruse | 999.93 mi (1,609.23 km) |
| Belley to Samokov | 916.10 mi (1,474.32 km) |
| Belley to Sandanski | 923.58 mi (1,486.37 km) |
| Belley to Sevlievo | 974.91 mi (1,568.97 km) |
| Belley to Shumen | 1,057.25 mi (1,701.47 km) |
| Belley to Silistra | 1,057.92 mi (1,702.55 km) |
| Belley to Sliven | 1,041.01 mi (1,675.34 km) |
