| East Ham to Oswego (Illinois) | 3,989.69 mi (6,420.78 km) |
| East Ham to Oswego (New York) | 3,451.15 mi (5,554.08 km) |
| East Ham to Otsego (Minnesota) | 4,015.75 mi (6,462.72 km) |
| East Ham to Ottawa (Illinois) | 4,023.64 mi (6,475.42 km) |
| East Ham to Ottawa (Kansas) | 4,399.79 mi (7,080.78 km) |
| East Ham to Ottumwa (Iowa) | 4,174.75 mi (6,718.62 km) |
| East Ham to Overland (Missouri) | 4,209.72 mi (6,774.89 km) |
| East Ham to Overland Park (Kansas) | 4,363.94 mi (7,023.09 km) |
| East Ham to Overlea (Maryland) | 3,629.86 mi (5,841.69 km) |
| East Ham to Oviedo (Florida) | 4,332.37 mi (6,972.27 km) |
| East Ham to Owasso (Oklahoma) | 4,537.48 mi (7,302.37 km) |
| East Ham to Owatonna (Minnesota) | 4,057.39 mi (6,529.75 km) |
| East Ham to Owensboro (Kentucky) | 4,128.75 mi (6,644.57 km) |
| East Ham to Owings Mills (Maryland) | 3,638.88 mi (5,856.22 km) |
| East Ham to Owosso (Michigan) | 3,770.64 mi (6,068.26 km) |
