| Barbastro to Oberriet | 589.39 mi (948.53 km) |
| Barbastro to Obersiggenthal | 549.28 mi (883.98 km) |
| Barbastro to Oberwil | 524.86 mi (844.68 km) |
| Barbastro to Oberwingert | 567.79 mi (913.76 km) |
| Barbastro to Oftringen | 528.30 mi (850.21 km) |
| Barbastro to Olten | 529.21 mi (851.69 km) |
| Barbastro to Onex | 412.00 mi (663.05 km) |
| Barbastro to Opfikon | 556.80 mi (896.08 km) |
| Barbastro to Ostermundigen | 496.78 mi (799.48 km) |
| Barbastro to Payerne | 470.74 mi (757.58 km) |
| Barbastro to Pfaffikon | 561.88 mi (904.27 km) |
| Barbastro to Plan-les-Ouates | 411.83 mi (662.78 km) |
| Barbastro to Pratteln | 529.96 mi (852.89 km) |
| Barbastro to Prilly | 445.90 mi (717.60 km) |
| Barbastro to Pully | 447.50 mi (720.19 km) |
