| Stanford to Oerlinghausen | 5,587.30 mi (8,991.89 km) |
| Stanford to Oestrich-Winkel | 5,677.21 mi (9,136.59 km) |
| Stanford to Offenburg | 5,759.15 mi (9,268.46 km) |
| Stanford to Oftersheim | 5,727.62 mi (9,217.71 km) |
| Stanford to Ohrdruf | 5,703.59 mi (9,179.05 km) |
| Stanford to Ohringen | 5,761.85 mi (9,272.81 km) |
| Stanford to Olbernhau | 5,777.92 mi (9,298.67 km) |
| Stanford to Olching | 5,866.44 mi (9,441.13 km) |
| Stanford to Oldenburg | 5,511.32 mi (8,869.61 km) |
| Stanford to Oldenburg in Holstein | 5,513.29 mi (8,872.78 km) |
| Stanford to Olfen | 5,567.25 mi (8,959.62 km) |
| Stanford to Olpe | 5,617.27 mi (9,040.12 km) |
| Stanford to Olsberg | 5,616.31 mi (9,038.57 km) |
| Stanford to Oranienburg | 5,656.26 mi (9,102.87 km) |
| Stanford to Ortenberg | 5,686.06 mi (9,150.83 km) |
