| Cunit to Olympia Heights (Florida) | 4,673.00 mi (7,520.46 km) |
| Cunit to Omaha (Nebraska) | 4,765.89 mi (7,669.96 km) |
| Cunit to On Top of the World Designated Place (Florida) | 4,632.37 mi (7,455.07 km) |
| Cunit to Onalaska (Wisconsin) | 4,459.94 mi (7,177.58 km) |
| Cunit to Oneida (New York) | 3,813.96 mi (6,137.98 km) |
| Cunit to Oneonta (New York) | 3,806.27 mi (6,125.60 km) |
| Cunit to Ontario (California) | 5,964.41 mi (9,598.78 km) |
| Cunit to Ontario (Oregon) | 5,426.58 mi (8,733.24 km) |
| Cunit to Opa-locka (Florida) | 4,661.61 mi (7,502.14 km) |
| Cunit to Opelika (Alabama) | 4,638.91 mi (7,465.60 km) |
| Cunit to Opelousas (Louisiana) | 5,043.14 mi (8,116.14 km) |
| Cunit to Orange (California) | 5,984.79 mi (9,631.58 km) |
| Cunit to Orange (Texas) | 5,138.75 mi (8,270.03 km) |
| Cunit to Orange City (Florida) | 4,590.15 mi (7,387.13 km) |
| Cunit to Orangeburg (South Carolina) | 4,391.14 mi (7,066.86 km) |
