| Vancouver to Olympia (Washington) | 98.13 mi (157.92 km) |
| Vancouver to Olympia Heights (Florida) | 2,698.60 mi (4,342.98 km) |
| Vancouver to Omaha (Nebraska) | 1,358.60 mi (2,186.45 km) |
| Vancouver to On Top of the World Designated Place (Florida) | 2,456.27 mi (3,952.98 km) |
| Vancouver to Onalaska (Wisconsin) | 1,534.75 mi (2,469.95 km) |
| Vancouver to Oneida (New York) | 2,292.07 mi (3,688.73 km) |
| Vancouver to Oneonta (New York) | 2,335.94 mi (3,759.33 km) |
| Vancouver to Ontario (California) | 843.45 mi (1,357.40 km) |
| Vancouver to Ontario (Oregon) | 296.96 mi (477.92 km) |
| Vancouver to Opa-locka (Florida) | 2,694.43 mi (4,336.26 km) |
| Vancouver to Opelika (Alabama) | 2,161.76 mi (3,479.02 km) |
| Vancouver to Opelousas (Louisiana) | 1,942.59 mi (3,126.30 km) |
| Vancouver to Orange (California) | 855.62 mi (1,376.99 km) |
| Vancouver to Orange (Texas) | 1,886.62 mi (3,036.21 km) |
| Vancouver to Orange City (Florida) | 2,510.65 mi (4,040.50 km) |
