| Santa Rosa to Orangeburg (South Carolina) | 2,344.32 mi (3,772.82 km) |
| Santa Rosa to Orangevale (California) | 81.99 mi (131.96 km) |
| Santa Rosa to Orchards (Washington) | 500.54 mi (805.54 km) |
| Santa Rosa to Orcutt (California) | 277.65 mi (446.84 km) |
| Santa Rosa to Oregon (Ohio) | 2,071.02 mi (3,332.98 km) |
| Santa Rosa to Oregon (Wisconsin) | 1,760.95 mi (2,833.97 km) |
| Santa Rosa to Oregon City (Oregon) | 476.50 mi (766.86 km) |
| Santa Rosa to Orem (Utah) | 601.26 mi (967.64 km) |
| Santa Rosa to Orinda (California) | 48.43 mi (77.94 km) |
| Santa Rosa to Orland Park (Illinois) | 1,843.83 mi (2,967.36 km) |
| Santa Rosa to Orlando (Florida) | 2,459.65 mi (3,958.42 km) |
| Santa Rosa to Ormond Beach (Florida) | 2,446.88 mi (3,937.88 km) |
| Santa Rosa to Oro Valley (Arizona) | 779.64 mi (1,254.71 km) |
| Santa Rosa to Oroville (California) | 95.27 mi (153.32 km) |
| Santa Rosa to Oshkosh (Wisconsin) | 1,801.89 mi (2,899.86 km) |
