| Gravesend to Oswego (Illinois) | 4,004.53 mi (6,444.66 km) |
| Gravesend to Oswego (New York) | 3,466.00 mi (5,577.98 km) |
| Gravesend to Otsego (Minnesota) | 4,030.41 mi (6,486.32 km) |
| Gravesend to Ottawa (Illinois) | 4,038.48 mi (6,499.30 km) |
| Gravesend to Ottawa (Kansas) | 4,414.60 mi (7,104.61 km) |
| Gravesend to Ottumwa (Iowa) | 4,189.55 mi (6,742.44 km) |
| Gravesend to Overland (Missouri) | 4,224.57 mi (6,798.79 km) |
| Gravesend to Overland Park (Kansas) | 4,378.75 mi (7,046.92 km) |
| Gravesend to Overlea (Maryland) | 3,644.63 mi (5,865.47 km) |
| Gravesend to Oviedo (Florida) | 4,346.89 mi (6,995.64 km) |
| Gravesend to Owasso (Oklahoma) | 4,552.32 mi (7,326.24 km) |
| Gravesend to Owatonna (Minnesota) | 4,072.11 mi (6,553.42 km) |
| Gravesend to Owensboro (Kentucky) | 4,143.60 mi (6,668.49 km) |
| Gravesend to Owings Mills (Maryland) | 3,653.66 mi (5,880.00 km) |
| Gravesend to Owosso (Michigan) | 3,785.49 mi (6,092.16 km) |
