| Redcar to Olympia Heights (Florida) | 4,366.17 mi (7,026.68 km) |
| Redcar to Omaha (Nebraska) | 4,146.08 mi (6,672.47 km) |
| Redcar to On Top of the World Designated Place (Florida) | 4,264.22 mi (6,862.60 km) |
| Redcar to Onalaska (Wisconsin) | 3,845.23 mi (6,188.29 km) |
| Redcar to Oneida (New York) | 3,316.09 mi (5,336.74 km) |
| Redcar to Oneonta (New York) | 3,321.88 mi (5,346.05 km) |
| Redcar to Ontario (California) | 5,250.74 mi (8,450.25 km) |
| Redcar to Ontario (Oregon) | 4,655.04 mi (7,491.57 km) |
| Redcar to Opa-locka (Florida) | 4,353.50 mi (7,006.29 km) |
| Redcar to Opelika (Alabama) | 4,198.66 mi (6,757.10 km) |
| Redcar to Opelousas (Louisiana) | 4,566.40 mi (7,348.91 km) |
| Redcar to Orange (California) | 5,271.09 mi (8,483.00 km) |
| Redcar to Orange (Texas) | 4,651.10 mi (7,485.22 km) |
| Redcar to Orange City (Florida) | 4,233.97 mi (6,813.92 km) |
| Redcar to Orangeburg (South Carolina) | 3,981.58 mi (6,407.74 km) |
