| Windlesham to Olympia Heights (Florida) | 4,415.64 mi (7,106.29 km) |
| Windlesham to Omaha (Nebraska) | 4,276.84 mi (6,882.90 km) |
| Windlesham to On Top of the World Designated Place (Florida) | 4,328.86 mi (6,966.63 km) |
| Windlesham to Onalaska (Wisconsin) | 3,973.38 mi (6,394.53 km) |
| Windlesham to Oneida (New York) | 3,409.44 mi (5,486.97 km) |
| Windlesham to Oneonta (New York) | 3,411.60 mi (5,490.44 km) |
| Windlesham to Ontario (California) | 5,410.18 mi (8,706.85 km) |
| Windlesham to Ontario (Oregon) | 4,829.03 mi (7,771.58 km) |
| Windlesham to Opa-locka (Florida) | 4,403.23 mi (7,086.31 km) |
| Windlesham to Opelika (Alabama) | 4,281.72 mi (6,890.76 km) |
| Windlesham to Opelousas (Louisiana) | 4,660.80 mi (7,500.84 km) |
| Windlesham to Orange (California) | 5,430.59 mi (8,739.69 km) |
| Windlesham to Orange (Texas) | 4,748.74 mi (7,642.35 km) |
| Windlesham to Orange City (Florida) | 4,295.35 mi (6,912.70 km) |
| Windlesham to Orangeburg (South Carolina) | 4,055.40 mi (6,526.54 km) |
