| Nadudvar to Olympia Heights (Florida) | 5,429.40 mi (8,737.78 km) |
| Nadudvar to Omaha (Nebraska) | 5,206.07 mi (8,378.36 km) |
| Nadudvar to On Top of the World Designated Place (Florida) | 5,337.84 mi (8,590.42 km) |
| Nadudvar to Onalaska (Wisconsin) | 4,908.81 mi (7,899.96 km) |
| Nadudvar to Oneida (New York) | 4,396.68 mi (7,075.77 km) |
| Nadudvar to Oneonta (New York) | 4,402.44 mi (7,085.04 km) |
| Nadudvar to Ontario (California) | 6,256.28 mi (10,068.51 km) |
| Nadudvar to Ontario (Oregon) | 5,625.00 mi (9,052.56 km) |
| Nadudvar to Opa-locka (Florida) | 5,416.94 mi (8,717.73 km) |
| Nadudvar to Opelika (Alabama) | 5,278.71 mi (8,495.26 km) |
| Nadudvar to Opelousas (Louisiana) | 5,646.73 mi (9,087.54 km) |
| Nadudvar to Orange (California) | 6,276.35 mi (10,100.81 km) |
| Nadudvar to Orange (Texas) | 5,730.90 mi (9,222.99 km) |
| Nadudvar to Orange City (Florida) | 5,305.71 mi (8,538.72 km) |
| Nadudvar to Orangeburg (South Carolina) | 5,059.17 mi (8,141.95 km) |
