| Rayleigh to Olympia Heights (Florida) | 4,466.67 mi (7,188.40 km) |
| Rayleigh to Omaha (Nebraska) | 4,314.49 mi (6,943.50 km) |
| Rayleigh to On Top of the World Designated Place (Florida) | 4,378.05 mi (7,045.79 km) |
| Rayleigh to Onalaska (Wisconsin) | 4,011.54 mi (6,455.95 km) |
| Rayleigh to Oneida (New York) | 3,454.15 mi (5,558.92 km) |
| Rayleigh to Oneonta (New York) | 3,456.90 mi (5,563.35 km) |
| Rayleigh to Ontario (California) | 5,440.63 mi (8,755.84 km) |
| Rayleigh to Ontario (Oregon) | 4,854.70 mi (7,812.89 km) |
| Rayleigh to Opa-locka (Florida) | 4,454.22 mi (7,168.38 km) |
| Rayleigh to Opelika (Alabama) | 4,328.31 mi (6,965.74 km) |
| Rayleigh to Opelousas (Louisiana) | 4,705.67 mi (7,573.04 km) |
| Rayleigh to Orange (California) | 5,461.02 mi (8,788.66 km) |
| Rayleigh to Orange (Texas) | 4,793.07 mi (7,713.71 km) |
| Rayleigh to Orange City (Florida) | 4,344.95 mi (6,992.52 km) |
| Rayleigh to Orangeburg (South Carolina) | 4,103.29 mi (6,603.61 km) |
