| Pottstown to Orthez | 3,724.27 mi (5,993.63 km) |
| Pottstown to Orvault | 3,585.17 mi (5,769.78 km) |
| Pottstown to Osny | 3,697.77 mi (5,950.98 km) |
| Pottstown to Ostwald | 3,947.26 mi (6,352.50 km) |
| Pottstown to Ouistreham | 3,594.53 mi (5,784.84 km) |
| Pottstown to Oullins | 3,908.51 mi (6,290.13 km) |
| Pottstown to Outreau | 3,637.14 mi (5,853.41 km) |
| Pottstown to Oyonnax | 3,928.99 mi (6,323.09 km) |
| Pottstown to Ozoir-la-Ferriere | 3,731.07 mi (6,004.58 km) |
| Pottstown to Pace | 3,557.10 mi (5,724.59 km) |
| Pottstown to Palaiseau | 3,714.45 mi (5,977.83 km) |
| Pottstown to Pamiers | 3,843.69 mi (6,185.83 km) |
| Pottstown to Panazol | 3,751.73 mi (6,037.82 km) |
| Pottstown to Pantin | 3,716.25 mi (5,980.72 km) |
| Pottstown to Paray-le-Monial | 3,856.98 mi (6,207.21 km) |
