| Stanford to Olympia (Washington) | 665.47 mi (1,070.97 km) |
| Stanford to Olympia Heights (Florida) | 2,567.96 mi (4,132.73 km) |
| Stanford to Omaha (Nebraska) | 1,414.76 mi (2,276.83 km) |
| Stanford to On Top of the World Designated Place (Florida) | 2,356.01 mi (3,791.64 km) |
| Stanford to Onalaska (Wisconsin) | 1,672.23 mi (2,691.19 km) |
| Stanford to Oneida (New York) | 2,451.40 mi (3,945.14 km) |
| Stanford to Oneonta (New York) | 2,487.01 mi (4,002.46 km) |
| Stanford to Ontario (California) | 346.57 mi (557.75 km) |
| Stanford to Ontario (Oregon) | 530.66 mi (854.02 km) |
| Stanford to Opa-locka (Florida) | 2,566.71 mi (4,130.72 km) |
| Stanford to Opelika (Alabama) | 2,093.60 mi (3,369.33 km) |
| Stanford to Opelousas (Louisiana) | 1,780.10 mi (2,864.79 km) |
| Stanford to Orange (California) | 349.47 mi (562.41 km) |
| Stanford to Orange (Texas) | 1,700.22 mi (2,736.24 km) |
| Stanford to Orange City (Florida) | 2,415.73 mi (3,887.74 km) |
