| Douglas to Orthez | 679.62 mi (1,093.74 km) |
| Douglas to Orvault | 440.55 mi (709.00 km) |
| Douglas to Osny | 500.47 mi (805.43 km) |
| Douglas to Ostwald | 748.25 mi (1,204.20 km) |
| Douglas to Ouistreham | 400.86 mi (645.12 km) |
| Douglas to Oullins | 736.18 mi (1,184.77 km) |
| Douglas to Outreau | 440.51 mi (708.93 km) |
| Douglas to Oyonnax | 744.93 mi (1,198.85 km) |
| Douglas to Ozoir-la-Ferriere | 534.30 mi (859.87 km) |
| Douglas to Pace | 391.97 mi (630.82 km) |
| Douglas to Palaiseau | 518.97 mi (835.20 km) |
| Douglas to Pamiers | 764.22 mi (1,229.89 km) |
| Douglas to Panazol | 607.56 mi (977.77 km) |
| Douglas to Pantin | 519.28 mi (835.71 km) |
| Douglas to Paray-le-Monial | 678.48 mi (1,091.91 km) |
