| Sofia to Orangevale (California) | 6,390.28 mi (10,284.16 km) |
| Sofia to Orchards (Washington) | 5,979.32 mi (9,622.79 km) |
| Sofia to Orcutt (California) | 6,609.24 mi (10,636.54 km) |
| Sofia to Oregon (Ohio) | 5,043.92 mi (8,117.40 km) |
| Sofia to Oregon (Wisconsin) | 5,201.65 mi (8,371.25 km) |
| Sofia to Oregon City (Oregon) | 6,002.41 mi (9,659.94 km) |
| Sofia to Orem (Utah) | 6,051.82 mi (9,739.47 km) |
| Sofia to Orinda (California) | 6,462.77 mi (10,400.82 km) |
| Sofia to Orland Park (Illinois) | 5,211.26 mi (8,386.71 km) |
| Sofia to Orlando (Florida) | 5,583.12 mi (8,985.16 km) |
| Sofia to Ormond Beach (Florida) | 5,533.54 mi (8,905.37 km) |
| Sofia to Oro Valley (Arizona) | 6,494.71 mi (10,452.22 km) |
| Sofia to Oroville (California) | 6,347.30 mi (10,215.00 km) |
| Sofia to Oshkosh (Wisconsin) | 5,118.63 mi (8,237.64 km) |
| Sofia to Oskaloosa (Iowa) | 5,398.17 mi (8,687.52 km) |
