| Flekkefjord to Oswego (Illinois) | 3,999.58 mi (6,436.71 km) |
| Flekkefjord to Oswego (New York) | 3,517.48 mi (5,660.84 km) |
| Flekkefjord to Otsego (Minnesota) | 3,967.82 mi (6,385.59 km) |
| Flekkefjord to Ottawa (Illinois) | 4,033.01 mi (6,490.50 km) |
| Flekkefjord to Ottawa (Kansas) | 4,388.62 mi (7,062.81 km) |
| Flekkefjord to Ottumwa (Iowa) | 4,164.68 mi (6,702.41 km) |
| Flekkefjord to Overland (Missouri) | 4,228.68 mi (6,805.40 km) |
| Flekkefjord to Overland Park (Kansas) | 4,354.49 mi (7,007.87 km) |
| Flekkefjord to Overlea (Maryland) | 3,730.61 mi (6,003.84 km) |
| Flekkefjord to Oviedo (Florida) | 4,479.16 mi (7,208.52 km) |
| Flekkefjord to Owasso (Oklahoma) | 4,537.71 mi (7,302.74 km) |
| Flekkefjord to Owatonna (Minnesota) | 4,020.37 mi (6,470.16 km) |
| Flekkefjord to Owensboro (Kentucky) | 4,174.88 mi (6,718.81 km) |
| Flekkefjord to Owings Mills (Maryland) | 3,737.54 mi (6,014.99 km) |
| Flekkefjord to Owosso (Michigan) | 3,795.30 mi (6,107.95 km) |
