| Key West to Orthez | 4,635.65 mi (7,460.36 km) |
| Key West to Orvault | 4,542.14 mi (7,309.87 km) |
| Key West to Osny | 4,683.95 mi (7,538.09 km) |
| Key West to Ostwald | 4,941.68 mi (7,952.87 km) |
| Key West to Ouistreham | 4,578.19 mi (7,367.89 km) |
| Key West to Oullins | 4,864.31 mi (7,828.35 km) |
| Key West to Outreau | 4,640.12 mi (7,467.54 km) |
| Key West to Oyonnax | 4,893.38 mi (7,875.14 km) |
| Key West to Ozoir-la-Ferriere | 4,715.57 mi (7,588.97 km) |
| Key West to Pace | 4,524.33 mi (7,281.20 km) |
| Key West to Palaiseau | 4,697.24 mi (7,559.48 km) |
| Key West to Pamiers | 4,758.08 mi (7,657.39 km) |
| Key West to Panazol | 4,698.87 mi (7,562.09 km) |
| Key West to Pantin | 4,701.41 mi (7,566.18 km) |
| Key West to Paray-le-Monial | 4,819.17 mi (7,755.70 km) |
