| Weissenthurm to Olympia Heights (Florida) | 4,775.17 mi (7,684.89 km) |
| Weissenthurm to Omaha (Nebraska) | 4,605.11 mi (7,411.20 km) |
| Weissenthurm to On Top of the World Designated Place (Florida) | 4,686.71 mi (7,542.53 km) |
| Weissenthurm to Onalaska (Wisconsin) | 4,303.54 mi (6,925.88 km) |
| Weissenthurm to Oneida (New York) | 3,758.84 mi (6,049.27 km) |
| Weissenthurm to Oneonta (New York) | 3,762.39 mi (6,054.98 km) |
| Weissenthurm to Ontario (California) | 5,710.23 mi (9,189.72 km) |
| Weissenthurm to Ontario (Oregon) | 5,109.33 mi (8,222.68 km) |
| Weissenthurm to Opa-locka (Florida) | 4,762.74 mi (7,664.89 km) |
| Weissenthurm to Opelika (Alabama) | 4,635.18 mi (7,459.60 km) |
| Weissenthurm to Opelousas (Louisiana) | 5,010.36 mi (8,063.39 km) |
| Weissenthurm to Orange (California) | 5,730.56 mi (9,222.44 km) |
| Weissenthurm to Orange (Texas) | 5,096.96 mi (8,202.77 km) |
| Weissenthurm to Orange City (Florida) | 4,653.69 mi (7,489.39 km) |
| Weissenthurm to Orangeburg (South Carolina) | 4,411.31 mi (7,099.31 km) |
