| Alella to Orthez | 208.22 mi (335.10 km) |
| Alella to Orvault | 443.39 mi (713.57 km) |
| Alella to Osny | 522.74 mi (841.26 km) |
| Alella to Ostwald | 554.34 mi (892.12 km) |
| Alella to Ouistreham | 551.82 mi (888.07 km) |
| Alella to Oullins | 317.45 mi (510.89 km) |
| Alella to Outreau | 637.13 mi (1,025.37 km) |
| Alella to Oyonnax | 368.97 mi (593.80 km) |
| Alella to Ozoir-la-Ferriere | 503.53 mi (810.36 km) |
| Alella to Pace | 500.87 mi (806.07 km) |
| Alella to Palaiseau | 498.80 mi (802.75 km) |
| Alella to Pamiers | 117.35 mi (188.85 km) |
| Alella to Panazol | 304.12 mi (489.44 km) |
| Alella to Pantin | 511.41 mi (823.03 km) |
| Alella to Paray-le-Monial | 354.19 mi (570.01 km) |