| Westchester to Olivares | 4,331.92 mi (6,971.54 km) |
| Westchester to Olivenza | 4,262.86 mi (6,860.42 km) |
| Westchester to Olot | 4,697.22 mi (7,559.44 km) |
| Westchester to Onate | 4,440.96 mi (7,147.04 km) |
| Westchester to Onda | 4,598.62 mi (7,400.77 km) |
| Westchester to Onteniente | 4,601.14 mi (7,404.82 km) |
| Westchester to Orihuela | 4,596.64 mi (7,397.58 km) |
| Westchester to Osuna | 4,390.98 mi (7,066.59 km) |
| Westchester to Ourense | 4,177.99 mi (6,723.83 km) |
| Westchester to Oviedo | 4,267.15 mi (6,867.32 km) |
| Westchester to Paiporta | 4,600.13 mi (7,403.19 km) |
| Westchester to Pajara | 4,028.00 mi (6,482.44 km) |
| Westchester to Palafolls | 4,719.70 mi (7,595.62 km) |
| Westchester to Palafrugell | 4,735.46 mi (7,620.98 km) |
| Westchester to Palamos | 4,735.12 mi (7,620.44 km) |
