| Dobrich to Odessa (Texas) | 6,348.89 mi (10,217.56 km) |
| Dobrich to Ogden (Utah) | 6,068.00 mi (9,765.50 km) |
| Dobrich to Oildale (California) | 6,594.50 mi (10,612.82 km) |
| Dobrich to Ojus (Florida) | 5,820.27 mi (9,366.82 km) |
| Dobrich to Okemos (Michigan) | 5,153.14 mi (8,293.18 km) |
| Dobrich to Oklahoma City (Oklahoma) | 5,986.67 mi (9,634.62 km) |
| Dobrich to Okmulgee (Oklahoma) | 5,927.96 mi (9,540.13 km) |
| Dobrich to Olathe (Kansas) | 5,709.04 mi (9,187.81 km) |
| Dobrich to Old Jamestown (Missouri) | 5,557.22 mi (8,943.49 km) |
| Dobrich to Oldsmar (Florida) | 5,821.38 mi (9,368.60 km) |
| Dobrich to Olean (New York) | 4,965.32 mi (7,990.91 km) |
| Dobrich to Olive Branch (Mississippi) | 5,745.89 mi (9,247.12 km) |
| Dobrich to Olivehurst (California) | 6,414.90 mi (10,323.79 km) |
| Dobrich to Olney (Maryland) | 5,051.32 mi (8,129.31 km) |
| Dobrich to Olympia (Washington) | 5,926.52 mi (9,537.81 km) |
