| McKeesport to Orthez | 3,911.41 mi (6,294.80 km) |
| McKeesport to Orvault | 3,763.67 mi (6,057.05 km) |
| McKeesport to Osny | 3,868.65 mi (6,225.99 km) |
| McKeesport to Ostwald | 4,114.83 mi (6,622.17 km) |
| McKeesport to Ouistreham | 3,766.55 mi (6,061.67 km) |
| McKeesport to Oullins | 4,085.82 mi (6,575.50 km) |
| McKeesport to Outreau | 3,803.70 mi (6,121.46 km) |
| McKeesport to Oyonnax | 4,104.24 mi (6,605.14 km) |
| McKeesport to Ozoir-la-Ferriere | 3,902.24 mi (6,280.05 km) |
| McKeesport to Pace | 3,733.36 mi (6,008.26 km) |
| McKeesport to Palaiseau | 3,886.13 mi (6,254.13 km) |
| McKeesport to Pamiers | 4,029.77 mi (6,485.28 km) |
| McKeesport to Panazol | 3,931.64 mi (6,327.36 km) |
| McKeesport to Pantin | 3,887.31 mi (6,256.02 km) |
| McKeesport to Paray-le-Monial | 4,033.07 mi (6,490.59 km) |
