| Westchester to Oakleaf Plantation (Florida) | 318.60 mi (512.74 km) |
| Westchester to Oakley (California) | 2,545.27 mi (4,096.22 km) |
| Westchester to Oakton (Virginia) | 925.14 mi (1,488.86 km) |
| Westchester to Oakville (Missouri) | 1,052.22 mi (1,693.39 km) |
| Westchester to Oatfield (Oregon) | 2,692.57 mi (4,333.27 km) |
| Westchester to Ocala (Florida) | 261.44 mi (420.74 km) |
| Westchester to Ocean Acres (New Jersey) | 1,028.69 mi (1,655.52 km) |
| Westchester to Ocean City (New Jersey) | 991.88 mi (1,596.28 km) |
| Westchester to Ocean Pines (Maryland) | 924.38 mi (1,487.64 km) |
| Westchester to Ocean Pointe (Hawaii) | 4,857.70 mi (7,817.72 km) |
| Westchester to Ocean Springs (Mississippi) | 606.37 mi (975.85 km) |
| Westchester to Oceanside (California) | 2,269.52 mi (3,652.44 km) |
| Westchester to Oceanside (New York) | 1,098.46 mi (1,767.80 km) |
| Westchester to Ocoee (Florida) | 208.73 mi (335.92 km) |
| Westchester to Oconomowoc (Wisconsin) | 1,284.03 mi (2,066.44 km) |
