| Ortona to Orthez | 770.55 mi (1,240.08 km) |
| Ortona to Orvault | 853.79 mi (1,374.04 km) |
| Ortona to Osny | 752.92 mi (1,211.71 km) |
| Ortona to Ostwald | 536.78 mi (863.86 km) |
| Ortona to Ouistreham | 850.63 mi (1,368.95 km) |
| Ortona to Oullins | 529.69 mi (852.45 km) |
| Ortona to Outreau | 836.71 mi (1,346.56 km) |
| Ortona to Oyonnax | 509.25 mi (819.56 km) |
| Ortona to Ozoir-la-Ferriere | 718.82 mi (1,156.83 km) |
| Ortona to Pace | 880.48 mi (1,416.99 km) |
| Ortona to Palaiseau | 733.02 mi (1,179.68 km) |
| Ortona to Pamiers | 650.58 mi (1,047.00 km) |
| Ortona to Panazol | 691.84 mi (1,113.41 km) |
| Ortona to Pantin | 733.90 mi (1,181.09 km) |
| Ortona to Paray-le-Monial | 580.59 mi (934.37 km) |
