| Gardnerville Ranchos to Oswego (Illinois) | 1,657.42 mi (2,667.36 km) |
| Gardnerville Ranchos to Oswego (New York) | 2,245.63 mi (3,614.00 km) |
| Gardnerville Ranchos to Otsego (Minnesota) | 1,403.09 mi (2,258.06 km) |
| Gardnerville Ranchos to Ottawa (Illinois) | 1,633.80 mi (2,629.35 km) |
| Gardnerville Ranchos to Ottawa (Kansas) | 1,315.63 mi (2,117.30 km) |
| Gardnerville Ranchos to Ottumwa (Iowa) | 1,448.93 mi (2,331.82 km) |
| Gardnerville Ranchos to Overland (Missouri) | 1,575.28 mi (2,535.17 km) |
| Gardnerville Ranchos to Overland Park (Kansas) | 1,343.51 mi (2,162.17 km) |
| Gardnerville Ranchos to Overlea (Maryland) | 2,294.70 mi (3,692.96 km) |
| Gardnerville Ranchos to Oviedo (Florida) | 2,305.53 mi (3,710.40 km) |
| Gardnerville Ranchos to Owasso (Oklahoma) | 1,317.95 mi (2,121.04 km) |
| Gardnerville Ranchos to Owatonna (Minnesota) | 1,411.77 mi (2,272.03 km) |
| Gardnerville Ranchos to Owensboro (Kentucky) | 1,761.06 mi (2,834.15 km) |
| Gardnerville Ranchos to Owings Mills (Maryland) | 2,279.72 mi (3,668.85 km) |
| Gardnerville Ranchos to Owosso (Michigan) | 1,863.80 mi (2,999.49 km) |
