| Notodden to Oswego (Illinois) | 4,033.66 mi (6,491.55 km) |
| Notodden to Oswego (New York) | 3,566.28 mi (5,739.37 km) |
| Notodden to Otsego (Minnesota) | 3,988.37 mi (6,418.66 km) |
| Notodden to Ottawa (Illinois) | 4,066.85 mi (6,544.96 km) |
| Notodden to Ottawa (Kansas) | 4,416.43 mi (7,107.55 km) |
| Notodden to Ottumwa (Iowa) | 4,193.51 mi (6,748.80 km) |
| Notodden to Overland (Missouri) | 4,264.06 mi (6,862.34 km) |
| Notodden to Overland Park (Kansas) | 4,382.81 mi (7,053.45 km) |
| Notodden to Overlea (Maryland) | 3,786.18 mi (6,093.27 km) |
| Notodden to Oviedo (Florida) | 4,542.37 mi (7,310.24 km) |
| Notodden to Owasso (Oklahoma) | 4,567.71 mi (7,351.02 km) |
| Notodden to Owatonna (Minnesota) | 4,043.33 mi (6,507.11 km) |
| Notodden to Owensboro (Kentucky) | 4,216.68 mi (6,786.09 km) |
| Notodden to Owings Mills (Maryland) | 3,792.63 mi (6,103.64 km) |
| Notodden to Owosso (Michigan) | 3,833.56 mi (6,169.52 km) |
