| Quaregnon to Provadia | 1,215.04 mi (1,955.42 km) |
| Quaregnon to Radnevo | 1,186.37 mi (1,909.27 km) |
| Quaregnon to Radomir | 1,054.06 mi (1,696.35 km) |
| Quaregnon to Rakitovo | 1,123.84 mi (1,808.64 km) |
| Quaregnon to Rakovski | 1,146.94 mi (1,845.82 km) |
| Quaregnon to Razgrad | 1,163.20 mi (1,872.00 km) |
| Quaregnon to Razlog | 1,103.39 mi (1,775.73 km) |
| Quaregnon to Ruse | 1,128.75 mi (1,816.54 km) |
| Quaregnon to Samokov | 1,087.48 mi (1,750.13 km) |
| Quaregnon to Sandanski | 1,109.93 mi (1,786.25 km) |
| Quaregnon to Sevlievo | 1,123.43 mi (1,807.99 km) |
| Quaregnon to Shumen | 1,190.11 mi (1,915.30 km) |
| Quaregnon to Silistra | 1,174.12 mi (1,889.57 km) |
| Quaregnon to Sliven | 1,187.75 mi (1,911.51 km) |
| Quaregnon to Smolyan | 1,165.90 mi (1,876.34 km) |
