| Raleigh to Olympia (Washington) | 2,383.45 mi (3,835.80 km) |
| Raleigh to Olympia Heights (Florida) | 705.60 mi (1,135.56 km) |
| Raleigh to Omaha (Nebraska) | 1,010.58 mi (1,626.37 km) |
| Raleigh to On Top of the World Designated Place (Florida) | 510.88 mi (822.18 km) |
| Raleigh to Onalaska (Wisconsin) | 866.54 mi (1,394.55 km) |
| Raleigh to Oneida (New York) | 525.10 mi (845.06 km) |
| Raleigh to Oneonta (New York) | 495.97 mi (798.18 km) |
| Raleigh to Ontario (California) | 2,195.89 mi (3,533.95 km) |
| Raleigh to Ontario (Oregon) | 2,087.82 mi (3,360.03 km) |
| Raleigh to Opa-locka (Florida) | 692.88 mi (1,115.08 km) |
| Raleigh to Opelika (Alabama) | 442.48 mi (712.10 km) |
| Raleigh to Opelousas (Louisiana) | 858.25 mi (1,381.22 km) |
| Raleigh to Orange (California) | 2,211.98 mi (3,559.83 km) |
| Raleigh to Orange (Texas) | 959.52 mi (1,544.20 km) |
| Raleigh to Orange City (Florida) | 500.88 mi (806.09 km) |
