| Soyaux to Popovo | 1,287.12 mi (2,071.41 km) |
| Soyaux to Provadia | 1,348.28 mi (2,169.85 km) |
| Soyaux to Radnevo | 1,294.55 mi (2,083.38 km) |
| Soyaux to Radomir | 1,144.95 mi (1,842.62 km) |
| Soyaux to Rakitovo | 1,212.59 mi (1,951.48 km) |
| Soyaux to Rakovski | 1,248.08 mi (2,008.59 km) |
| Soyaux to Razgrad | 1,297.33 mi (2,087.85 km) |
| Soyaux to Razlog | 1,185.28 mi (1,907.52 km) |
| Soyaux to Ruse | 1,264.94 mi (2,035.73 km) |
| Soyaux to Samokov | 1,178.91 mi (1,897.28 km) |
| Soyaux to Sandanski | 1,184.22 mi (1,905.82 km) |
| Soyaux to Sevlievo | 1,239.41 mi (1,994.64 km) |
| Soyaux to Shumen | 1,322.19 mi (2,127.86 km) |
| Soyaux to Silistra | 1,322.83 mi (2,128.89 km) |
| Soyaux to Sliven | 1,305.46 mi (2,100.93 km) |
