| Cities | Distance |
|---|
| Opera to Popovo | 850.50 mi (1,368.75 km) |
| Opera to Provadia | 911.75 mi (1,467.32 km) |
| Opera to Radnevo | 858.12 mi (1,381.01 km) |
| Opera to Radomir | 709.44 mi (1,141.73 km) |
| Opera to Rakitovo | 777.75 mi (1,251.66 km) |
| Opera to Rakovski | 812.01 mi (1,306.81 km) |
| Opera to Razgrad | 860.97 mi (1,385.60 km) |
| Opera to Razlog | 751.30 mi (1,209.10 km) |
| Opera to Ruse | 828.85 mi (1,333.91 km) |
| Opera to Samokov | 743.53 mi (1,196.59 km) |
| Opera to Sandanski | 751.65 mi (1,209.66 km) |
| Opera to Sevlievo | 802.62 mi (1,291.69 km) |
| Opera to Shumen | 885.65 mi (1,425.31 km) |
| Opera to Silistra | 887.82 mi (1,428.81 km) |
| Opera to Sliven | 868.68 mi (1,398.00 km) |
