| Wiesmoor to Olympia Heights (Florida) | 4,732.80 mi (7,616.71 km) |
| Wiesmoor to Omaha (Nebraska) | 4,490.85 mi (7,227.32 km) |
| Wiesmoor to On Top of the World Designated Place (Florida) | 4,630.98 mi (7,452.85 km) |
| Wiesmoor to Onalaska (Wisconsin) | 4,192.17 mi (6,746.65 km) |
| Wiesmoor to Oneida (New York) | 3,678.86 mi (5,920.55 km) |
| Wiesmoor to Oneonta (New York) | 3,685.53 mi (5,931.29 km) |
| Wiesmoor to Ontario (California) | 5,567.79 mi (8,960.49 km) |
| Wiesmoor to Ontario (Oregon) | 4,954.64 mi (7,973.72 km) |
| Wiesmoor to Opa-locka (Florida) | 4,720.15 mi (7,596.34 km) |
| Wiesmoor to Opelika (Alabama) | 4,563.25 mi (7,343.84 km) |
| Wiesmoor to Opelousas (Louisiana) | 4,928.02 mi (7,930.87 km) |
| Wiesmoor to Orange (California) | 5,588.03 mi (8,993.06 km) |
| Wiesmoor to Orange (Texas) | 5,011.64 mi (8,065.46 km) |
| Wiesmoor to Orange City (Florida) | 4,600.85 mi (7,404.34 km) |
| Wiesmoor to Orangeburg (South Carolina) | 4,347.66 mi (6,996.88 km) |
