| Rosemead to Orangeburg (South Carolina) | 2,125.62 mi (3,420.85 km) |
| Rosemead to Orangevale (California) | 363.73 mi (585.36 km) |
| Rosemead to Orchards (Washington) | 836.44 mi (1,346.12 km) |
| Rosemead to Orcutt (California) | 144.29 mi (232.22 km) |
| Rosemead to Oregon (Ohio) | 1,946.98 mi (3,133.36 km) |
| Rosemead to Oregon (Wisconsin) | 1,657.77 mi (2,667.92 km) |
| Rosemead to Oregon City (Oregon) | 814.59 mi (1,310.95 km) |
| Rosemead to Orem (Utah) | 555.26 mi (893.61 km) |
| Rosemead to Orinda (California) | 348.97 mi (561.62 km) |
| Rosemead to Orland Park (Illinois) | 1,719.14 mi (2,766.69 km) |
| Rosemead to Orlando (Florida) | 2,192.13 mi (3,527.89 km) |
| Rosemead to Ormond Beach (Florida) | 2,187.21 mi (3,519.98 km) |
| Rosemead to Oro Valley (Arizona) | 425.99 mi (685.56 km) |
| Rosemead to Oroville (California) | 421.71 mi (678.67 km) |
| Rosemead to Oshkosh (Wisconsin) | 1,714.99 mi (2,760.01 km) |
