| Szigethalom to Olympia Heights (Florida) | 5,340.83 mi (8,595.24 km) |
| Szigethalom to Omaha (Nebraska) | 5,140.45 mi (8,272.76 km) |
| Szigethalom to On Top of the World Designated Place (Florida) | 5,252.58 mi (8,453.21 km) |
| Szigethalom to Onalaska (Wisconsin) | 4,841.78 mi (7,792.10 km) |
| Szigethalom to Oneida (New York) | 4,318.38 mi (6,949.76 km) |
| Szigethalom to Oneonta (New York) | 4,323.19 mi (6,957.51 km) |
| Szigethalom to Ontario (California) | 6,205.74 mi (9,987.18 km) |
| Szigethalom to Ontario (Oregon) | 5,580.99 mi (8,981.73 km) |
| Szigethalom to Opa-locka (Florida) | 5,328.43 mi (8,575.28 km) |
| Szigethalom to Opelika (Alabama) | 5,197.99 mi (8,365.35 km) |
| Szigethalom to Opelousas (Louisiana) | 5,569.30 mi (8,962.93 km) |
| Szigethalom to Orange (California) | 6,225.89 mi (10,019.60 km) |
| Szigethalom to Orange (Texas) | 5,654.48 mi (9,100.01 km) |
| Szigethalom to Orange City (Florida) | 5,219.72 mi (8,400.33 km) |
| Szigethalom to Orangeburg (South Carolina) | 4,976.09 mi (8,008.24 km) |
