| Haddington to Oswego (Illinois) | 3,752.31 mi (6,038.75 km) |
| Haddington to Oswego (New York) | 3,237.61 mi (5,210.44 km) |
| Haddington to Otsego (Minnesota) | 3,755.10 mi (6,043.24 km) |
| Haddington to Ottawa (Illinois) | 3,786.14 mi (6,093.20 km) |
| Haddington to Ottawa (Kansas) | 4,154.76 mi (6,686.43 km) |
| Haddington to Ottumwa (Iowa) | 3,929.53 mi (6,323.96 km) |
| Haddington to Overland (Missouri) | 3,976.94 mi (6,400.26 km) |
| Haddington to Overland Park (Kansas) | 4,119.51 mi (6,629.72 km) |
| Haddington to Overlea (Maryland) | 3,434.11 mi (5,526.67 km) |
| Haddington to Oviedo (Florida) | 4,163.35 mi (6,700.27 km) |
| Haddington to Owasso (Oklahoma) | 4,297.57 mi (6,916.27 km) |
| Haddington to Owatonna (Minnesota) | 3,801.04 mi (6,117.19 km) |
| Haddington to Owensboro (Kentucky) | 3,907.96 mi (6,289.25 km) |
| Haddington to Owings Mills (Maryland) | 3,442.09 mi (5,539.51 km) |
| Haddington to Owosso (Michigan) | 3,538.99 mi (5,695.45 km) |
