| Williamstown to Orthez | 3,713.17 mi (5,975.77 km) |
| Williamstown to Orvault | 3,577.78 mi (5,757.88 km) |
| Williamstown to Osny | 3,693.30 mi (5,943.79 km) |
| Williamstown to Ostwald | 3,943.91 mi (6,347.10 km) |
| Williamstown to Ouistreham | 3,589.68 mi (5,777.03 km) |
| Williamstown to Oullins | 3,901.44 mi (6,278.76 km) |
| Williamstown to Outreau | 3,634.31 mi (5,848.85 km) |
| Williamstown to Oyonnax | 3,922.73 mi (6,313.02 km) |
| Williamstown to Ozoir-la-Ferriere | 3,726.48 mi (5,997.18 km) |
| Williamstown to Pace | 3,550.61 mi (5,714.16 km) |
| Williamstown to Palaiseau | 3,709.67 mi (5,970.13 km) |
| Williamstown to Pamiers | 3,833.01 mi (6,168.63 km) |
| Williamstown to Panazol | 3,743.68 mi (6,024.88 km) |
| Williamstown to Pantin | 3,711.70 mi (5,973.40 km) |
| Williamstown to Paray-le-Monial | 3,850.43 mi (6,196.67 km) |
