| Plainview to Oskaloosa (Iowa) | 997.50 mi (1,605.32 km) |
| Plainview to Oswego (Illinois) | 773.87 mi (1,245.43 km) |
| Plainview to Oswego (New York) | 240.93 mi (387.74 km) |
| Plainview to Otsego (Minnesota) | 1,060.49 mi (1,706.70 km) |
| Plainview to Ottawa (Illinois) | 799.67 mi (1,286.95 km) |
| Plainview to Ottawa (Kansas) | 1,165.25 mi (1,875.29 km) |
| Plainview to Ottumwa (Iowa) | 987.58 mi (1,589.36 km) |
| Plainview to Overland (Missouri) | 907.70 mi (1,460.80 km) |
| Plainview to Overland Park (Kansas) | 1,130.32 mi (1,819.08 km) |
| Plainview to Overlea (Maryland) | 188.45 mi (303.28 km) |
| Plainview to Oviedo (Florida) | 944.42 mi (1,519.90 km) |
| Plainview to Owasso (Oklahoma) | 1,243.86 mi (2,001.80 km) |
| Plainview to Owatonna (Minnesota) | 1,030.39 mi (1,658.26 km) |
| Plainview to Owensboro (Kentucky) | 758.26 mi (1,220.29 km) |
| Plainview to Owings Mills (Maryland) | 199.32 mi (320.78 km) |
