| Barth to Oakley (California) | 5,505.95 mi (8,860.97 km) |
| Barth to Oakton (Virginia) | 4,099.20 mi (6,597.03 km) |
| Barth to Oakville (Missouri) | 4,578.69 mi (7,368.70 km) |
| Barth to Oatfield (Oregon) | 5,061.58 mi (8,145.83 km) |
| Barth to Ocala (Florida) | 4,789.85 mi (7,708.52 km) |
| Barth to Ocean Acres (New Jersey) | 3,945.57 mi (6,349.78 km) |
| Barth to Ocean City (New Jersey) | 3,981.13 mi (6,407.01 km) |
| Barth to Ocean Pines (Maryland) | 4,045.71 mi (6,510.95 km) |
| Barth to Ocean Pointe (Hawaii) | 7,178.89 mi (11,553.31 km) |
| Barth to Ocean Springs (Mississippi) | 4,965.68 mi (7,991.49 km) |
| Barth to Oceanside (California) | 5,694.70 mi (9,164.74 km) |
| Barth to Oceanside (New York) | 3,877.78 mi (6,240.68 km) |
| Barth to Ocoee (Florida) | 4,799.08 mi (7,723.37 km) |
| Barth to Oconomowoc (Wisconsin) | 4,269.63 mi (6,871.31 km) |
| Barth to Odenton (Maryland) | 4,068.04 mi (6,546.87 km) |
