| Fort Madison to Orthez | 4,403.86 mi (7,087.33 km) |
| Fort Madison to Orvault | 4,233.32 mi (6,812.87 km) |
| Fort Madison to Osny | 4,316.41 mi (6,946.59 km) |
| Fort Madison to Ostwald | 4,551.07 mi (7,324.24 km) |
| Fort Madison to Ouistreham | 4,218.42 mi (6,788.89 km) |
| Fort Madison to Oullins | 4,549.44 mi (7,321.62 km) |
| Fort Madison to Outreau | 4,240.31 mi (6,824.12 km) |
| Fort Madison to Oyonnax | 4,561.95 mi (7,341.75 km) |
| Fort Madison to Ozoir-la-Ferriere | 4,350.47 mi (7,001.40 km) |
| Fort Madison to Pace | 4,197.13 mi (6,754.63 km) |
| Fort Madison to Palaiseau | 4,335.93 mi (6,978.00 km) |
| Fort Madison to Pamiers | 4,518.39 mi (7,271.65 km) |
| Fort Madison to Panazol | 4,403.76 mi (7,087.16 km) |
| Fort Madison to Pantin | 4,335.39 mi (6,977.14 km) |
| Fort Madison to Paray-le-Monial | 4,493.69 mi (7,231.89 km) |
