| Cities | Distance |
|---|---|
| Trieste to Popovo | 633.68 mi (1,019.82 km) |
| Trieste to Provadia | 694.54 mi (1,117.75 km) |
| Trieste to Radnevo | 646.74 mi (1,040.83 km) |
| Trieste to Radomir | 502.93 mi (809.38 km) |
| Trieste to Rakitovo | 572.59 mi (921.50 km) |
| Trieste to Rakovski | 602.55 mi (969.71 km) |
| Trieste to Razgrad | 643.24 mi (1,035.19 km) |
| Trieste to Razlog | 548.85 mi (883.29 km) |
| Trieste to Ruse | 610.51 mi (982.52 km) |
| Trieste to Samokov | 537.07 mi (864.34 km) |
| Trieste to Sandanski | 552.63 mi (889.37 km) |
| Trieste to Sevlievo | 588.54 mi (947.17 km) |
| Trieste to Shumen | 668.49 mi (1,075.82 km) |
| Trieste to Silistra | 668.03 mi (1,075.10 km) |
| Trieste to Sliven | 654.69 mi (1,053.63 km) |