| Barrow in Furness to Oswego (Illinois) | 3,788.05 mi (6,096.27 km) |
| Barrow in Furness to Oswego (New York) | 3,260.08 mi (5,246.59 km) |
| Barrow in Furness to Otsego (Minnesota) | 3,804.46 mi (6,122.69 km) |
| Barrow in Furness to Ottawa (Illinois) | 3,821.97 mi (6,150.86 km) |
| Barrow in Furness to Ottawa (Kansas) | 4,195.04 mi (6,751.27 km) |
| Barrow in Furness to Ottumwa (Iowa) | 3,969.82 mi (6,388.80 km) |
| Barrow in Furness to Overland (Missouri) | 4,010.25 mi (6,453.88 km) |
| Barrow in Furness to Overland Park (Kansas) | 4,159.44 mi (6,693.97 km) |
| Barrow in Furness to Overlea (Maryland) | 3,447.67 mi (5,548.48 km) |
| Barrow in Furness to Oviedo (Florida) | 4,164.65 mi (6,702.36 km) |
| Barrow in Furness to Owasso (Oklahoma) | 4,335.02 mi (6,976.54 km) |
| Barrow in Furness to Owatonna (Minnesota) | 3,847.81 mi (6,192.46 km) |
| Barrow in Furness to Owensboro (Kentucky) | 3,934.75 mi (6,332.37 km) |
| Barrow in Furness to Owings Mills (Maryland) | 3,456.18 mi (5,562.18 km) |
| Barrow in Furness to Owosso (Michigan) | 3,571.41 mi (5,747.63 km) |
