| Cities | Distance |
|---|---|
| Ortona to Popovo | 602.87 mi (970.22 km) |
| Ortona to Provadia | 662.92 mi (1,066.86 km) |
| Ortona to Radnevo | 588.72 mi (947.45 km) |
| Ortona to Radomir | 435.93 mi (701.56 km) |
| Ortona to Rakitovo | 496.28 mi (798.68 km) |
| Ortona to Rakovski | 539.44 mi (868.14 km) |
| Ortona to Razgrad | 617.72 mi (994.13 km) |
| Ortona to Razlog | 465.58 mi (749.28 km) |
| Ortona to Ruse | 591.32 mi (951.64 km) |
| Ortona to Samokov | 467.32 mi (752.09 km) |
| Ortona to Sandanski | 459.34 mi (739.23 km) |
| Ortona to Sevlievo | 545.73 mi (878.26 km) |
| Ortona to Shumen | 637.87 mi (1,026.55 km) |
| Ortona to Silistra | 658.08 mi (1,059.09 km) |
| Ortona to Sliven | 607.66 mi (977.94 km) |