| Suances to Olympia Heights (Florida) | 4,355.19 mi (7,009.00 km) |
| Suances to Omaha (Nebraska) | 4,439.69 mi (7,145.00 km) |
| Suances to On Top of the World Designated Place (Florida) | 4,309.29 mi (6,935.14 km) |
| Suances to Onalaska (Wisconsin) | 4,133.83 mi (6,652.75 km) |
| Suances to Oneida (New York) | 3,485.12 mi (5,608.75 km) |
| Suances to Oneonta (New York) | 3,477.48 mi (5,596.46 km) |
| Suances to Ontario (California) | 5,644.94 mi (9,084.65 km) |
| Suances to Ontario (Oregon) | 5,117.95 mi (8,236.54 km) |
| Suances to Opa-locka (Florida) | 4,343.66 mi (6,990.44 km) |
| Suances to Opelika (Alabama) | 4,311.77 mi (6,939.12 km) |
| Suances to Opelousas (Louisiana) | 4,715.08 mi (7,588.19 km) |
| Suances to Orange (California) | 5,665.29 mi (9,117.40 km) |
| Suances to Orange (Texas) | 4,810.47 mi (7,741.70 km) |
| Suances to Orange City (Florida) | 4,267.88 mi (6,868.49 km) |
| Suances to Orangeburg (South Carolina) | 4,065.11 mi (6,542.17 km) |
