| Gardnerville Ranchos to Orangevale (California) | 80.54 mi (129.62 km) |
| Gardnerville Ranchos to Orchards (Washington) | 490.34 mi (789.13 km) |
| Gardnerville Ranchos to Orcutt (California) | 280.68 mi (451.72 km) |
| Gardnerville Ranchos to Oregon (Ohio) | 1,909.73 mi (3,073.41 km) |
| Gardnerville Ranchos to Oregon (Wisconsin) | 1,600.54 mi (2,575.83 km) |
| Gardnerville Ranchos to Oregon City (Oregon) | 468.53 mi (754.02 km) |
| Gardnerville Ranchos to Orem (Utah) | 439.21 mi (706.85 km) |
| Gardnerville Ranchos to Orinda (California) | 149.10 mi (239.95 km) |
| Gardnerville Ranchos to Orland Park (Illinois) | 1,682.27 mi (2,707.36 km) |
| Gardnerville Ranchos to Orlando (Florida) | 2,303.43 mi (3,707.02 km) |
| Gardnerville Ranchos to Ormond Beach (Florida) | 2,289.58 mi (3,684.72 km) |
| Gardnerville Ranchos to Oro Valley (Arizona) | 664.72 mi (1,069.77 km) |
| Gardnerville Ranchos to Oroville (California) | 105.73 mi (170.15 km) |
| Gardnerville Ranchos to Oshkosh (Wisconsin) | 1,642.85 mi (2,643.92 km) |
| Gardnerville Ranchos to Oskaloosa (Iowa) | 1,436.49 mi (2,311.81 km) |
