| Davos to Olympia Heights (Florida) | 4,951.68 mi (7,968.96 km) |
| Davos to Omaha (Nebraska) | 4,845.41 mi (7,797.93 km) |
| Davos to On Top of the World Designated Place (Florida) | 4,876.72 mi (7,848.32 km) |
| Davos to Onalaska (Wisconsin) | 4,542.18 mi (7,309.93 km) |
| Davos to Oneida (New York) | 3,973.61 mi (6,394.91 km) |
| Davos to Oneonta (New York) | 3,974.45 mi (6,396.27 km) |
| Davos to Ontario (California) | 5,968.03 mi (9,604.62 km) |
| Davos to Ontario (Oregon) | 5,373.88 mi (8,648.43 km) |
| Davos to Opa-locka (Florida) | 4,939.52 mi (7,949.38 km) |
| Davos to Opelika (Alabama) | 4,840.54 mi (7,790.09 km) |
| Davos to Opelousas (Louisiana) | 5,224.18 mi (8,407.50 km) |
| Davos to Orange (California) | 5,988.40 mi (9,637.41 km) |
| Davos to Orange (Texas) | 5,313.21 mi (8,550.79 km) |
| Davos to Orange City (Florida) | 4,840.99 mi (7,790.83 km) |
| Davos to Orangeburg (South Carolina) | 4,609.62 mi (7,418.47 km) |
