| Rosemead to Odenton (Maryland) | 2,302.55 mi (3,705.59 km) |
| Rosemead to Odessa (Texas) | 923.68 mi (1,486.52 km) |
| Rosemead to Ogden (Utah) | 596.74 mi (960.36 km) |
| Rosemead to Oildale (California) | 108.32 mi (174.32 km) |
| Rosemead to Ojus (Florida) | 2,322.92 mi (3,738.37 km) |
| Rosemead to Okemos (Michigan) | 1,904.01 mi (3,064.20 km) |
| Rosemead to Oklahoma City (Oklahoma) | 1,169.31 mi (1,881.82 km) |
| Rosemead to Okmulgee (Oklahoma) | 1,253.75 mi (2,017.72 km) |
| Rosemead to Olathe (Kansas) | 1,330.49 mi (2,141.22 km) |
| Rosemead to Old Jamestown (Missouri) | 1,573.13 mi (2,531.71 km) |
| Rosemead to Oldsmar (Florida) | 2,125.88 mi (3,421.27 km) |
| Rosemead to Olean (New York) | 2,205.33 mi (3,549.14 km) |
| Rosemead to Olive Branch (Mississippi) | 1,603.32 mi (2,580.30 km) |
| Rosemead to Olivehurst (California) | 396.17 mi (637.58 km) |
| Rosemead to Olney (Maryland) | 2,281.93 mi (3,672.41 km) |
