| Kuressaare to Olympia Heights (Florida) | 5,161.25 mi (8,306.23 km) |
| Kuressaare to Omaha (Nebraska) | 4,710.08 mi (7,580.13 km) |
| Kuressaare to On Top of the World Designated Place (Florida) | 5,027.04 mi (8,090.24 km) |
| Kuressaare to Onalaska (Wisconsin) | 4,427.43 mi (7,125.25 km) |
| Kuressaare to Oneida (New York) | 4,024.22 mi (6,476.36 km) |
| Kuressaare to Oneonta (New York) | 4,039.69 mi (6,501.25 km) |
| Kuressaare to Ontario (California) | 5,656.26 mi (9,102.86 km) |
| Kuressaare to Ontario (Oregon) | 4,997.88 mi (8,043.31 km) |
| Kuressaare to Opa-locka (Florida) | 5,148.20 mi (8,285.23 km) |
| Kuressaare to Opelika (Alabama) | 4,916.20 mi (7,911.86 km) |
| Kuressaare to Opelousas (Louisiana) | 5,244.78 mi (8,440.66 km) |
| Kuressaare to Orange (California) | 5,675.76 mi (9,134.25 km) |
| Kuressaare to Orange (Texas) | 5,318.01 mi (8,558.51 km) |
| Kuressaare to Orange City (Florida) | 5,004.79 mi (8,054.43 km) |
| Kuressaare to Orangeburg (South Carolina) | 4,726.85 mi (7,607.13 km) |
