| Cities | Distance |
|---|---|
| Otopeni to Popovo | 83.31 mi (134.07 km) |
| Otopeni to Provadia | 116.31 mi (187.18 km) |
| Otopeni to Radnevo | 155.61 mi (250.43 km) |
| Otopeni to Radomir | 208.55 mi (335.63 km) |
| Otopeni to Rakitovo | 203.55 mi (327.59 km) |
| Otopeni to Rakovski | 165.80 mi (266.82 km) |
| Otopeni to Razgrad | 73.67 mi (118.56 km) |
| Otopeni to Razlog | 226.09 mi (363.86 km) |
| Otopeni to Ruse | 50.55 mi (81.36 km) |
| Otopeni to Samokov | 198.20 mi (318.97 km) |
| Otopeni to Sandanski | 249.47 mi (401.48 km) |
| Otopeni to Sevlievo | 115.63 mi (186.09 km) |
| Otopeni to Shumen | 97.50 mi (156.91 km) |
| Otopeni to Silistra | 66.00 mi (106.22 km) |
| Otopeni to Sliven | 129.65 mi (208.65 km) |