| Millington to Oswego (Illinois) | 446.66 mi (718.83 km) |
| Millington to Oswego (New York) | 907.09 mi (1,459.81 km) |
| Millington to Otsego (Minnesota) | 713.41 mi (1,148.13 km) |
| Millington to Ottawa (Illinois) | 420.01 mi (675.94 km) |
| Millington to Ottawa (Kansas) | 372.14 mi (598.91 km) |
| Millington to Ottumwa (Iowa) | 415.86 mi (669.27 km) |
| Millington to Overland (Missouri) | 233.70 mi (376.11 km) |
| Millington to Overland Park (Kansas) | 360.21 mi (579.70 km) |
| Millington to Overlea (Maryland) | 784.98 mi (1,263.31 km) |
| Millington to Oviedo (Florida) | 687.49 mi (1,106.41 km) |
| Millington to Owasso (Oklahoma) | 338.77 mi (545.20 km) |
| Millington to Owatonna (Minnesota) | 630.23 mi (1,014.26 km) |
| Millington to Owensboro (Kentucky) | 227.70 mi (366.45 km) |
| Millington to Owings Mills (Maryland) | 771.95 mi (1,242.33 km) |
| Millington to Owosso (Michigan) | 611.30 mi (983.80 km) |
