| Piraeus to Orthez | 1,329.38 mi (2,139.44 km) |
| Piraeus to Orvault | 1,428.80 mi (2,299.44 km) |
| Piraeus to Osny | 1,319.06 mi (2,122.81 km) |
| Piraeus to Ostwald | 1,082.39 mi (1,741.94 km) |
| Piraeus to Ouistreham | 1,419.97 mi (2,285.22 km) |
| Piraeus to Oullins | 1,104.69 mi (1,777.83 km) |
| Piraeus to Outreau | 1,392.64 mi (2,241.23 km) |
| Piraeus to Oyonnax | 1,082.74 mi (1,742.49 km) |
| Piraeus to Ozoir-la-Ferriere | 1,285.20 mi (2,068.34 km) |
| Piraeus to Pace | 1,454.76 mi (2,341.21 km) |
| Piraeus to Palaiseau | 1,300.76 mi (2,093.38 km) |
| Piraeus to Pamiers | 1,207.08 mi (1,942.61 km) |
| Piraeus to Panazol | 1,266.07 mi (2,037.53 km) |
| Piraeus to Pantin | 1,300.22 mi (2,092.50 km) |
| Piraeus to Paray-le-Monial | 1,154.96 mi (1,858.72 km) |
