| Westchester to Nyon | 4,796.53 mi (7,719.26 km) |
| Westchester to Oberriet | 4,928.09 mi (7,930.99 km) |
| Westchester to Obersiggenthal | 4,867.72 mi (7,833.84 km) |
| Westchester to Oberwil | 4,834.25 mi (7,779.97 km) |
| Westchester to Oberwingert | 4,888.36 mi (7,867.05 km) |
| Westchester to Oftringen | 4,854.39 mi (7,812.38 km) |
| Westchester to Olten | 4,852.97 mi (7,810.10 km) |
| Westchester to Onex | 4,794.26 mi (7,715.62 km) |
| Westchester to Opfikon | 4,881.07 mi (7,855.33 km) |
| Westchester to Ostermundigen | 4,842.42 mi (7,793.13 km) |
| Westchester to Payerne | 4,820.00 mi (7,757.04 km) |
| Westchester to Pfaffikon | 4,892.12 mi (7,873.10 km) |
| Westchester to Plan-les-Ouates | 4,795.35 mi (7,717.37 km) |
| Westchester to Pratteln | 4,840.69 mi (7,790.33 km) |
| Westchester to Prilly | 4,810.38 mi (7,741.56 km) |
