| Balchik to Odessa (Texas) | 6,366.91 mi (10,246.56 km) |
| Balchik to Ogden (Utah) | 6,084.42 mi (9,791.92 km) |
| Balchik to Oildale (California) | 6,610.48 mi (10,638.54 km) |
| Balchik to Ojus (Florida) | 5,839.36 mi (9,397.54 km) |
| Balchik to Okemos (Michigan) | 5,171.59 mi (8,322.87 km) |
| Balchik to Oklahoma City (Oklahoma) | 6,004.83 mi (9,663.83 km) |
| Balchik to Okmulgee (Oklahoma) | 5,946.20 mi (9,569.49 km) |
| Balchik to Olathe (Kansas) | 5,727.15 mi (9,216.96 km) |
| Balchik to Old Jamestown (Missouri) | 5,575.61 mi (8,973.08 km) |
| Balchik to Oldsmar (Florida) | 5,840.43 mi (9,399.26 km) |
| Balchik to Olean (New York) | 4,984.05 mi (8,021.05 km) |
| Balchik to Olive Branch (Mississippi) | 5,764.51 mi (9,277.08 km) |
| Balchik to Olivehurst (California) | 6,430.26 mi (10,348.51 km) |
| Balchik to Olney (Maryland) | 5,070.21 mi (8,159.71 km) |
| Balchik to Olympia (Washington) | 5,941.10 mi (9,561.27 km) |
