| Stamford to Popovo | 1,381.26 mi (2,222.93 km) |
| Stamford to Provadia | 1,436.43 mi (2,311.71 km) |
| Stamford to Radnevo | 1,414.29 mi (2,276.08 km) |
| Stamford to Radomir | 1,286.90 mi (2,071.07 km) |
| Stamford to Rakitovo | 1,356.30 mi (2,182.75 km) |
| Stamford to Rakovski | 1,376.80 mi (2,215.75 km) |
| Stamford to Razgrad | 1,385.06 mi (2,229.03 km) |
| Stamford to Razlog | 1,337.22 mi (2,152.05 km) |
| Stamford to Ruse | 1,350.54 mi (2,173.48 km) |
| Stamford to Samokov | 1,319.85 mi (2,124.10 km) |
| Stamford to Sandanski | 1,344.89 mi (2,164.39 km) |
| Stamford to Sevlievo | 1,350.37 mi (2,173.22 km) |
| Stamford to Shumen | 1,412.15 mi (2,272.63 km) |
| Stamford to Silistra | 1,391.61 mi (2,239.58 km) |
| Stamford to Sliven | 1,413.48 mi (2,274.77 km) |
