| Reno to Oskaloosa (Iowa) | 1,430.34 mi (2,301.90 km) |
| Reno to Oswego (Illinois) | 1,650.00 mi (2,655.42 km) |
| Reno to Oswego (New York) | 2,233.81 mi (3,594.97 km) |
| Reno to Otsego (Minnesota) | 1,388.11 mi (2,233.95 km) |
| Reno to Ottawa (Illinois) | 1,627.08 mi (2,618.54 km) |
| Reno to Ottawa (Kansas) | 1,316.23 mi (2,118.26 km) |
| Reno to Ottumwa (Iowa) | 1,443.35 mi (2,322.85 km) |
| Reno to Overland (Missouri) | 1,574.17 mi (2,533.39 km) |
| Reno to Overland Park (Kansas) | 1,343.26 mi (2,161.76 km) |
| Reno to Overlea (Maryland) | 2,288.65 mi (3,683.22 km) |
| Reno to Oviedo (Florida) | 2,315.89 mi (3,727.07 km) |
| Reno to Owasso (Oklahoma) | 1,324.26 mi (2,131.18 km) |
| Reno to Owatonna (Minnesota) | 1,399.41 mi (2,252.13 km) |
| Reno to Owensboro (Kentucky) | 1,760.69 mi (2,833.56 km) |
| Reno to Owings Mills (Maryland) | 2,273.67 mi (3,659.13 km) |
