| Gardnerville Ranchos to Oakley (California) | 122.39 mi (196.97 km) |
| Gardnerville Ranchos to Oakton (Virginia) | 2,261.50 mi (3,639.53 km) |
| Gardnerville Ranchos to Oakville (Missouri) | 1,580.90 mi (2,544.22 km) |
| Gardnerville Ranchos to Oatfield (Oregon) | 473.17 mi (761.50 km) |
| Gardnerville Ranchos to Ocala (Florida) | 2,237.21 mi (3,600.44 km) |
| Gardnerville Ranchos to Ocean Acres (New Jersey) | 2,404.55 mi (3,869.74 km) |
| Gardnerville Ranchos to Ocean City (New Jersey) | 2,395.75 mi (3,855.59 km) |
| Gardnerville Ranchos to Ocean Pines (Maryland) | 2,382.69 mi (3,834.57 km) |
| Gardnerville Ranchos to Ocean Pointe (Hawaii) | 2,564.57 mi (4,127.27 km) |
| Gardnerville Ranchos to Ocean Springs (Mississippi) | 1,844.56 mi (2,968.54 km) |
| Gardnerville Ranchos to Oceanside (California) | 414.82 mi (667.59 km) |
| Gardnerville Ranchos to Oceanside (New York) | 2,423.76 mi (3,900.67 km) |
| Gardnerville Ranchos to Ocoee (Florida) | 2,289.60 mi (3,684.75 km) |
| Gardnerville Ranchos to Oconomowoc (Wisconsin) | 1,645.63 mi (2,648.39 km) |
| Gardnerville Ranchos to Odenton (Maryland) | 2,290.32 mi (3,685.91 km) |
