| Rosamond to Oskaloosa (Iowa) | 1,453.90 mi (2,339.83 km) |
| Rosamond to Oswego (Illinois) | 1,678.20 mi (2,700.80 km) |
| Rosamond to Oswego (New York) | 2,286.57 mi (3,679.87 km) |
| Rosamond to Otsego (Minnesota) | 1,477.29 mi (2,377.47 km) |
| Rosamond to Ottawa (Illinois) | 1,650.58 mi (2,656.35 km) |
| Rosamond to Ottawa (Kansas) | 1,293.25 mi (2,081.29 km) |
| Rosamond to Ottumwa (Iowa) | 1,462.36 mi (2,353.44 km) |
| Rosamond to Overland (Missouri) | 1,557.37 mi (2,506.34 km) |
| Rosamond to Overland Park (Kansas) | 1,325.81 mi (2,133.69 km) |
| Rosamond to Overlea (Maryland) | 2,297.87 mi (3,698.06 km) |
| Rosamond to Oviedo (Florida) | 2,204.29 mi (3,547.46 km) |
| Rosamond to Owasso (Oklahoma) | 1,258.94 mi (2,026.07 km) |
| Rosamond to Owatonna (Minnesota) | 1,469.19 mi (2,364.43 km) |
| Rosamond to Owensboro (Kentucky) | 1,734.90 mi (2,792.05 km) |
| Rosamond to Owings Mills (Maryland) | 2,283.00 mi (3,674.14 km) |
