| Rosemead to Oskaloosa (Iowa) | 1,471.54 mi (2,368.22 km) |
| Rosemead to Oswego (Illinois) | 1,695.57 mi (2,728.75 km) |
| Rosemead to Oswego (New York) | 2,306.01 mi (3,711.16 km) |
| Rosemead to Otsego (Minnesota) | 1,504.69 mi (2,421.57 km) |
| Rosemead to Ottawa (Illinois) | 1,667.32 mi (2,683.29 km) |
| Rosemead to Ottawa (Kansas) | 1,304.36 mi (2,099.16 km) |
| Rosemead to Ottumwa (Iowa) | 1,479.24 mi (2,380.60 km) |
| Rosemead to Overland (Missouri) | 1,568.04 mi (2,523.51 km) |
| Rosemead to Overland Park (Kansas) | 1,337.62 mi (2,152.69 km) |
| Rosemead to Overlea (Maryland) | 2,310.40 mi (3,718.23 km) |
| Rosemead to Oviedo (Florida) | 2,196.55 mi (3,535.01 km) |
| Rosemead to Owasso (Oklahoma) | 1,263.12 mi (2,032.79 km) |
| Rosemead to Owatonna (Minnesota) | 1,493.79 mi (2,404.02 km) |
| Rosemead to Owensboro (Kentucky) | 1,743.35 mi (2,805.64 km) |
| Rosemead to Owings Mills (Maryland) | 2,295.58 mi (3,694.38 km) |
