| Preakness to Orthez | 3,636.04 mi (5,851.63 km) |
| Preakness to Orvault | 3,496.82 mi (5,627.59 km) |
| Preakness to Osny | 3,609.65 mi (5,809.17 km) |
| Preakness to Ostwald | 3,859.31 mi (6,210.96 km) |
| Preakness to Ouistreham | 3,506.37 mi (5,642.95 km) |
| Preakness to Oullins | 3,820.17 mi (6,147.97 km) |
| Preakness to Outreau | 3,549.28 mi (5,712.01 km) |
| Preakness to Oyonnax | 3,840.70 mi (6,181.00 km) |
| Preakness to Ozoir-la-Ferriere | 3,642.94 mi (5,862.74 km) |
| Preakness to Pace | 3,468.79 mi (5,582.48 km) |
| Preakness to Palaiseau | 3,626.29 mi (5,835.96 km) |
| Preakness to Pamiers | 3,755.42 mi (6,043.76 km) |
| Preakness to Panazol | 3,663.37 mi (5,895.62 km) |
| Preakness to Pantin | 3,628.12 mi (5,838.90 km) |
| Preakness to Paray-le-Monial | 3,768.67 mi (6,065.09 km) |
