| Longwood to Oswego (Illinois) | 979.05 mi (1,575.63 km) |
| Longwood to Oswego (New York) | 1,053.98 mi (1,696.22 km) |
| Longwood to Otsego (Minnesota) | 1,326.38 mi (2,134.61 km) |
| Longwood to Ottawa (Illinois) | 970.32 mi (1,561.57 km) |
| Longwood to Ottawa (Kansas) | 1,050.50 mi (1,690.61 km) |
| Longwood to Ottumwa (Iowa) | 1,055.52 mi (1,698.69 km) |
| Longwood to Overland (Missouri) | 862.56 mi (1,388.16 km) |
| Longwood to Overland Park (Kansas) | 1,037.97 mi (1,670.46 km) |
| Longwood to Overlea (Maryland) | 786.61 mi (1,265.92 km) |
| Longwood to Oviedo (Florida) | 10.24 mi (16.48 km) |
| Longwood to Owasso (Oklahoma) | 991.79 mi (1,596.13 km) |
| Longwood to Owatonna (Minnesota) | 1,248.96 mi (2,010.01 km) |
| Longwood to Owensboro (Kentucky) | 708.60 mi (1,140.38 km) |
| Longwood to Owings Mills (Maryland) | 784.33 mi (1,262.25 km) |
| Longwood to Owosso (Michigan) | 1,000.07 mi (1,609.46 km) |
