| Vancouver to Oskaloosa (Iowa) | 1,522.59 mi (2,450.38 km) |
| Vancouver to Oswego (Illinois) | 1,720.66 mi (2,769.13 km) |
| Vancouver to Oswego (New York) | 2,243.48 mi (3,610.53 km) |
| Vancouver to Otsego (Minnesota) | 1,397.04 mi (2,248.31 km) |
| Vancouver to Ottawa (Illinois) | 1,705.23 mi (2,744.30 km) |
| Vancouver to Ottawa (Kansas) | 1,474.23 mi (2,372.55 km) |
| Vancouver to Ottumwa (Iowa) | 1,540.30 mi (2,478.88 km) |
| Vancouver to Overland (Missouri) | 1,705.75 mi (2,745.14 km) |
| Vancouver to Overland Park (Kansas) | 1,492.54 mi (2,402.00 km) |
| Vancouver to Overlea (Maryland) | 2,353.58 mi (3,787.72 km) |
| Vancouver to Oviedo (Florida) | 2,527.43 mi (4,067.50 km) |
| Vancouver to Owasso (Oklahoma) | 1,529.03 mi (2,460.74 km) |
| Vancouver to Owatonna (Minnesota) | 1,433.98 mi (2,307.77 km) |
| Vancouver to Owensboro (Kentucky) | 1,892.28 mi (3,045.33 km) |
| Vancouver to Owings Mills (Maryland) | 2,339.00 mi (3,764.25 km) |
