| Reno to Orangeburg (South Carolina) | 2,186.98 mi (3,519.60 km) |
| Reno to Orangevale (California) | 94.64 mi (152.31 km) |
| Reno to Orchards (Washington) | 445.50 mi (716.96 km) |
| Reno to Orcutt (California) | 324.93 mi (522.93 km) |
| Reno to Oregon (Ohio) | 1,901.69 mi (3,060.47 km) |
| Reno to Oregon (Wisconsin) | 1,590.78 mi (2,560.11 km) |
| Reno to Oregon City (Oregon) | 423.88 mi (682.16 km) |
| Reno to Orem (Utah) | 434.72 mi (699.61 km) |
| Reno to Orinda (California) | 170.53 mi (274.44 km) |
| Reno to Orland Park (Illinois) | 1,674.94 mi (2,695.56 km) |
| Reno to Orlando (Florida) | 2,314.10 mi (3,724.19 km) |
| Reno to Ormond Beach (Florida) | 2,299.09 mi (3,700.03 km) |
| Reno to Oro Valley (Arizona) | 698.31 mi (1,123.82 km) |
| Reno to Oroville (California) | 91.47 mi (147.21 km) |
| Reno to Oshkosh (Wisconsin) | 1,630.95 mi (2,624.77 km) |
