| Sonoma to Orangeburg (South Carolina) | 2,331.89 mi (3,752.81 km) |
| Sonoma to Orangevale (California) | 72.42 mi (116.55 km) |
| Sonoma to Orchards (Washington) | 511.22 mi (822.73 km) |
| Sonoma to Orcutt (California) | 262.00 mi (421.65 km) |
| Sonoma to Oregon (Ohio) | 2,061.84 mi (3,318.21 km) |
| Sonoma to Oregon (Wisconsin) | 1,752.31 mi (2,820.07 km) |
| Sonoma to Oregon City (Oregon) | 487.27 mi (784.18 km) |
| Sonoma to Orem (Utah) | 591.45 mi (951.84 km) |
| Sonoma to Orinda (California) | 32.15 mi (51.73 km) |
| Sonoma to Orland Park (Illinois) | 1,834.46 mi (2,952.27 km) |
| Sonoma to Orlando (Florida) | 2,445.63 mi (3,935.85 km) |
| Sonoma to Ormond Beach (Florida) | 2,433.11 mi (3,915.72 km) |
| Sonoma to Oro Valley (Arizona) | 762.75 mi (1,227.53 km) |
| Sonoma to Oroville (California) | 96.48 mi (155.28 km) |
| Sonoma to Oshkosh (Wisconsin) | 1,793.91 mi (2,887.01 km) |
