| Elko to Oswego (Illinois) | 1,419.88 mi (2,285.07 km) |
| Elko to Oswego (New York) | 2,001.05 mi (3,220.38 km) |
| Elko to Otsego (Minnesota) | 1,155.18 mi (1,859.09 km) |
| Elko to Ottawa (Illinois) | 1,397.61 mi (2,249.24 km) |
| Elko to Ottawa (Kansas) | 1,098.06 mi (1,767.15 km) |
| Elko to Ottumwa (Iowa) | 1,215.28 mi (1,955.80 km) |
| Elko to Overland (Missouri) | 1,352.21 mi (2,176.16 km) |
| Elko to Overland Park (Kansas) | 1,123.36 mi (1,807.87 km) |
| Elko to Overlea (Maryland) | 2,059.46 mi (3,314.38 km) |
| Elko to Oviedo (Florida) | 2,118.46 mi (3,409.34 km) |
| Elko to Owasso (Oklahoma) | 1,119.21 mi (1,801.19 km) |
| Elko to Owatonna (Minnesota) | 1,166.60 mi (1,877.46 km) |
| Elko to Owensboro (Kentucky) | 1,539.65 mi (2,477.83 km) |
| Elko to Owings Mills (Maryland) | 2,044.50 mi (3,290.30 km) |
| Elko to Owosso (Michigan) | 1,621.46 mi (2,609.48 km) |
