| Maesteg to Olympia Heights (Florida) | 4,285.85 mi (6,897.42 km) |
| Maesteg to Omaha (Nebraska) | 4,157.68 mi (6,691.13 km) |
| Maesteg to On Top of the World Designated Place (Florida) | 4,199.48 mi (6,758.41 km) |
| Maesteg to Onalaska (Wisconsin) | 3,853.66 mi (6,201.87 km) |
| Maesteg to Oneida (New York) | 3,282.94 mi (5,283.39 km) |
| Maesteg to Oneonta (New York) | 3,284.60 mi (5,286.06 km) |
| Maesteg to Ontario (California) | 5,300.51 mi (8,530.34 km) |
| Maesteg to Ontario (Oregon) | 4,726.84 mi (7,607.11 km) |
| Maesteg to Opa-locka (Florida) | 4,273.44 mi (6,877.44 km) |
| Maesteg to Opelika (Alabama) | 4,153.72 mi (6,684.76 km) |
| Maesteg to Opelousas (Louisiana) | 4,534.07 mi (7,296.88 km) |
| Maesteg to Orange (California) | 5,320.92 mi (8,563.20 km) |
| Maesteg to Orange (Texas) | 4,622.44 mi (7,439.10 km) |
| Maesteg to Orange City (Florida) | 4,165.83 mi (6,704.25 km) |
| Maesteg to Orangeburg (South Carolina) | 3,926.62 mi (6,319.28 km) |
