| White Oak to Oskaloosa (Iowa) | 447.22 mi (719.73 km) |
| White Oak to Oswego (Illinois) | 260.11 mi (418.60 km) |
| White Oak to Oswego (New York) | 512.17 mi (824.25 km) |
| White Oak to Otsego (Minnesota) | 621.92 mi (1,000.88 km) |
| White Oak to Ottawa (Illinois) | 267.23 mi (430.07 km) |
| White Oak to Ottawa (Kansas) | 574.25 mi (924.17 km) |
| White Oak to Ottumwa (Iowa) | 431.14 mi (693.85 km) |
| White Oak to Overland (Missouri) | 311.62 mi (501.51 km) |
| White Oak to Overland Park (Kansas) | 541.11 mi (870.84 km) |
| White Oak to Overlea (Maryland) | 432.53 mi (696.09 km) |
| White Oak to Oviedo (Florida) | 754.82 mi (1,214.77 km) |
| White Oak to Owasso (Oklahoma) | 645.12 mi (1,038.22 km) |
| White Oak to Owatonna (Minnesota) | 558.06 mi (898.11 km) |
| White Oak to Owensboro (Kentucky) | 168.89 mi (271.80 km) |
| White Oak to Owings Mills (Maryland) | 417.86 mi (672.49 km) |
