| Ilhavo to Orthez | 451.36 mi (726.39 km) |
| Ilhavo to Orvault | 578.56 mi (931.10 km) |
| Ilhavo to Osny | 784.62 mi (1,262.72 km) |
| Ilhavo to Ostwald | 972.35 mi (1,564.85 km) |
| Ilhavo to Ouistreham | 726.14 mi (1,168.61 km) |
| Ilhavo to Oullins | 764.23 mi (1,229.92 km) |
| Ilhavo to Outreau | 854.38 mi (1,374.99 km) |
| Ilhavo to Oyonnax | 816.32 mi (1,313.75 km) |
| Ilhavo to Ozoir-la-Ferriere | 792.05 mi (1,274.68 km) |
| Ilhavo to Pace | 622.20 mi (1,001.33 km) |
| Ilhavo to Palaiseau | 774.37 mi (1,246.23 km) |
| Ilhavo to Pamiers | 556.29 mi (895.27 km) |
| Ilhavo to Panazol | 618.40 mi (995.22 km) |
| Ilhavo to Pantin | 788.10 mi (1,268.33 km) |
| Ilhavo to Paray-le-Monial | 756.05 mi (1,216.74 km) |
