| Cities | Distance |
|---|---|
| Barcelona to Orbetello | 470.06 mi (756.49 km) |
| Barcelona to Oria | 807.92 mi (1,300.22 km) |
| Barcelona to Oristano | 351.33 mi (565.42 km) |
| Barcelona to Orta Nova | 701.22 mi (1,128.51 km) |
| Barcelona to Orte | 529.78 mi (852.59 km) |
| Barcelona to Ortona | 631.92 mi (1,016.97 km) |
| Barcelona to Orvieto | 517.61 mi (833.01 km) |
| Barcelona to Orzinuovi | 477.89 mi (769.09 km) |
| Barcelona to Osimo | 594.04 mi (956.02 km) |
| Barcelona to Ospitaletto | 489.42 mi (787.65 km) |
| Barcelona to Ostuni | 802.86 mi (1,292.08 km) |
| Barcelona to Ottaviano | 640.80 mi (1,031.27 km) |
| Barcelona to Ovada | 396.62 mi (638.31 km) |
| Barcelona to Ozieri | 360.19 mi (579.68 km) |
| Barcelona to Paceco | 598.98 mi (963.97 km) |