| Barth to Orangevale (California) | 5,451.54 mi (8,773.41 km) |
| Barth to Orchards (Washington) | 5,043.01 mi (8,115.94 km) |
| Barth to Orcutt (California) | 5,671.06 mi (9,126.69 km) |
| Barth to Oregon (Ohio) | 4,175.05 mi (6,719.09 km) |
| Barth to Oregon (Wisconsin) | 4,308.01 mi (6,933.07 km) |
| Barth to Oregon City (Oregon) | 5,065.97 mi (8,152.88 km) |
| Barth to Orem (Utah) | 5,117.48 mi (8,235.79 km) |
| Barth to Orinda (California) | 5,524.07 mi (8,890.14 km) |
| Barth to Orland Park (Illinois) | 4,327.37 mi (6,964.23 km) |
| Barth to Orlando (Florida) | 4,797.23 mi (7,720.39 km) |
| Barth to Ormond Beach (Florida) | 4,743.95 mi (7,634.65 km) |
| Barth to Oro Valley (Arizona) | 5,570.51 mi (8,964.87 km) |
| Barth to Oroville (California) | 5,408.65 mi (8,704.39 km) |
| Barth to Oshkosh (Wisconsin) | 4,223.37 mi (6,796.86 km) |
| Barth to Oskaloosa (Iowa) | 4,500.69 mi (7,243.16 km) |
