| Milpitas to Olympia Heights (Florida) | 2,553.00 mi (4,108.66 km) |
| Milpitas to Omaha (Nebraska) | 1,400.28 mi (2,253.54 km) |
| Milpitas to On Top of the World Designated Place (Florida) | 2,340.94 mi (3,767.38 km) |
| Milpitas to Onalaska (Wisconsin) | 1,658.32 mi (2,668.81 km) |
| Milpitas to Oneida (New York) | 2,437.37 mi (3,922.57 km) |
| Milpitas to Oneonta (New York) | 2,472.89 mi (3,979.73 km) |
| Milpitas to Ontario (California) | 335.74 mi (540.32 km) |
| Milpitas to Ontario (Oregon) | 522.94 mi (841.59 km) |
| Milpitas to Opa-locka (Florida) | 2,551.74 mi (4,106.63 km) |
| Milpitas to Opelika (Alabama) | 2,078.49 mi (3,345.00 km) |
| Milpitas to Opelousas (Louisiana) | 1,765.16 mi (2,840.75 km) |
| Milpitas to Orange (California) | 339.28 mi (546.02 km) |
| Milpitas to Orange (Texas) | 1,685.39 mi (2,712.37 km) |
| Milpitas to Orange City (Florida) | 2,400.65 mi (3,863.47 km) |
| Milpitas to Orangeburg (South Carolina) | 2,306.53 mi (3,712.01 km) |
