| Barcelona to Orthez | 209.16 mi (336.61 km) |
| Barcelona to Orvault | 448.01 mi (721.00 km) |
| Barcelona to Osny | 530.44 mi (853.66 km) |
| Barcelona to Ostwald | 564.07 mi (907.78 km) |
| Barcelona to Ouistreham | 558.20 mi (898.34 km) |
| Barcelona to Oullins | 327.02 mi (526.29 km) |
| Barcelona to Outreau | 644.65 mi (1,037.46 km) |
| Barcelona to Oyonnax | 378.67 mi (609.41 km) |
| Barcelona to Ozoir-la-Ferriere | 511.57 mi (823.28 km) |
| Barcelona to Pace | 505.85 mi (814.08 km) |
| Barcelona to Palaiseau | 506.60 mi (815.30 km) |
| Barcelona to Pamiers | 123.25 mi (198.35 km) |
| Barcelona to Panazol | 310.94 mi (500.41 km) |
| Barcelona to Pantin | 519.29 mi (835.71 km) |
| Barcelona to Paray-le-Monial | 363.27 mi (584.63 km) |
