| Dobrich to Orangevale (California) | 6,433.31 mi (10,353.41 km) |
| Dobrich to Orchards (Washington) | 6,007.60 mi (9,668.30 km) |
| Dobrich to Orcutt (California) | 6,660.85 mi (10,719.60 km) |
| Dobrich to Oregon (Ohio) | 5,170.22 mi (8,320.67 km) |
| Dobrich to Oregon (Wisconsin) | 5,313.20 mi (8,550.77 km) |
| Dobrich to Oregon City (Oregon) | 6,031.07 mi (9,706.07 km) |
| Dobrich to Orem (Utah) | 6,118.13 mi (9,846.18 km) |
| Dobrich to Orinda (California) | 6,504.30 mi (10,467.66 km) |
| Dobrich to Orland Park (Illinois) | 5,329.16 mi (8,576.45 km) |
| Dobrich to Orlando (Florida) | 5,744.30 mi (9,244.56 km) |
| Dobrich to Ormond Beach (Florida) | 5,693.41 mi (9,162.67 km) |
| Dobrich to Oro Valley (Arizona) | 6,578.24 mi (10,586.65 km) |
| Dobrich to Oroville (California) | 6,388.04 mi (10,280.56 km) |
| Dobrich to Oshkosh (Wisconsin) | 5,229.00 mi (8,415.27 km) |
| Dobrich to Oskaloosa (Iowa) | 5,507.12 mi (8,862.85 km) |
