| Barbastro to Nasaud | 1,241.30 mi (1,997.69 km) |
| Barbastro to Navodari | 1,436.65 mi (2,312.06 km) |
| Barbastro to Negresti-Oas | 1,202.80 mi (1,935.73 km) |
| Barbastro to Nehoiu | 1,321.65 mi (2,126.99 km) |
| Barbastro to Ocna Mures | 1,208.20 mi (1,944.40 km) |
| Barbastro to Odobesti | 1,358.97 mi (2,187.05 km) |
| Barbastro to Odorheiu Secuiesc | 1,276.22 mi (2,053.88 km) |
| Barbastro to Oltenita | 1,339.90 mi (2,156.36 km) |
| Barbastro to Onesti | 1,345.92 mi (2,166.05 km) |
| Barbastro to Oradea | 1,123.73 mi (1,808.47 km) |
| Barbastro to Orastie | 1,173.30 mi (1,888.25 km) |
| Barbastro to Oravita | 1,096.15 mi (1,764.08 km) |
| Barbastro to Orsova | 1,129.98 mi (1,818.53 km) |
| Barbastro to Otelu Rosu | 1,130.73 mi (1,819.73 km) |
| Barbastro to Otopeni | 1,310.59 mi (2,109.19 km) |
