| Melsele to Olympia Heights (Florida) | 4,626.97 mi (7,446.39 km) |
| Melsele to Omaha (Nebraska) | 4,460.18 mi (7,177.97 km) |
| Melsele to On Top of the World Designated Place (Florida) | 4,537.50 mi (7,302.40 km) |
| Melsele to Onalaska (Wisconsin) | 4,158.11 mi (6,691.83 km) |
| Melsele to Oneida (New York) | 3,609.65 mi (5,809.17 km) |
| Melsele to Oneonta (New York) | 3,613.05 mi (5,814.64 km) |
| Melsele to Ontario (California) | 5,573.42 mi (8,969.56 km) |
| Melsele to Ontario (Oregon) | 4,978.49 mi (8,012.10 km) |
| Melsele to Opa-locka (Florida) | 4,614.52 mi (7,426.35 km) |
| Melsele to Opelika (Alabama) | 4,485.67 mi (7,218.99 km) |
| Melsele to Opelousas (Louisiana) | 4,861.19 mi (7,823.32 km) |
| Melsele to Orange (California) | 5,593.78 mi (9,002.32 km) |
| Melsele to Orange (Texas) | 4,947.97 mi (7,962.98 km) |
| Melsele to Orange City (Florida) | 4,504.64 mi (7,249.52 km) |
| Melsele to Orangeburg (South Carolina) | 4,261.82 mi (6,858.73 km) |
