| Hilter to Oswego (Illinois) | 4,266.87 mi (6,866.87 km) |
| Hilter to Oswego (New York) | 3,747.02 mi (6,030.25 km) |
| Hilter to Otsego (Minnesota) | 4,269.19 mi (6,870.60 km) |
| Hilter to Ottawa (Illinois) | 4,300.73 mi (6,921.35 km) |
| Hilter to Ottawa (Kansas) | 4,669.84 mi (7,515.38 km) |
| Hilter to Ottumwa (Iowa) | 4,444.61 mi (7,152.91 km) |
| Hilter to Overland (Missouri) | 4,491.01 mi (7,227.57 km) |
| Hilter to Overland Park (Kansas) | 4,634.59 mi (7,458.64 km) |
| Hilter to Overlea (Maryland) | 3,937.36 mi (6,336.56 km) |
| Hilter to Oviedo (Florida) | 4,654.42 mi (7,490.57 km) |
| Hilter to Owasso (Oklahoma) | 4,812.45 mi (7,744.88 km) |
| Hilter to Owatonna (Minnesota) | 4,315.69 mi (6,945.43 km) |
| Hilter to Owensboro (Kentucky) | 4,419.72 mi (7,112.85 km) |
| Hilter to Owings Mills (Maryland) | 3,945.77 mi (6,350.10 km) |
| Hilter to Owosso (Michigan) | 4,052.75 mi (6,522.27 km) |
