| Oak Forest to Orthez | 4,211.44 mi (6,777.65 km) |
| Oak Forest to Orvault | 4,044.27 mi (6,508.63 km) |
| Oak Forest to Osny | 4,131.16 mi (6,648.46 km) |
| Oak Forest to Ostwald | 4,368.17 mi (7,029.89 km) |
| Oak Forest to Ouistreham | 4,032.35 mi (6,489.44 km) |
| Oak Forest to Oullins | 4,361.67 mi (7,019.43 km) |
| Oak Forest to Outreau | 4,056.99 mi (6,529.10 km) |
| Oak Forest to Oyonnax | 4,375.20 mi (7,041.20 km) |
| Oak Forest to Ozoir-la-Ferriere | 4,165.17 mi (6,703.20 km) |
| Oak Forest to Pace | 4,009.02 mi (6,451.89 km) |
| Oak Forest to Palaiseau | 4,150.34 mi (6,679.33 km) |
| Oak Forest to Pamiers | 4,326.61 mi (6,963.00 km) |
| Oak Forest to Panazol | 4,214.45 mi (6,782.51 km) |
| Oak Forest to Pantin | 4,150.11 mi (6,678.95 km) |
| Oak Forest to Paray-le-Monial | 4,306.37 mi (6,930.44 km) |
