You may be surprised to find that there are probably facilities near where you live that would allow you to qualify for loan repayment (so you don't have to pick up and move a world away). There are 2 different types of loan repayment. One is a fixed dollar amount ($30K or $50K depending on the Tier--see below--of facility). The other is a percentage of your loan (60% for 2 years of service and then for a 3rd year you can get 25% of the original loan paid--so 85% of the loan). Here is a comparison and links at bottom to where/how to apply. You can apply for both but only accept funds from one.
If your student loan debt to income ratio is high (above 20% or higher) AND you choose a Tier 1 facility (I'll explain below) then you have a great chance of getting the funding.
To find a Tier 1 facility, you can go to this site: NHSC Jobs Center
Put in Primary Care as the field of practice and then move the slider scale to 14 (a Tier 1 facility has a HPSA score of 14 or above). This will show you ALL the Tier 1 facilities/practices. At the top of the list you can "sort by" several options (I sorted by state and then scrolled through the pages till I found those listed in my state). To the right you will see the HPSA score for the facilities (they should all be 14 or above if you moved the slider scale). A higher score means an area of most need but anything 14 or above is a Tier 1 facility and puts you closer to the top of the list of qualifying for loan repayment. I found many places near where I live (both rural and urban) that are Tier 1 facilities.
I received a Nurse CORE scholarship (they paid all my school bill and some living expenses and books while in school) and must work in a Tier 1 facility for two years to receive "forgiveness" from having to pay it back. Usually the Tier 1 facilities have many openings and they are often places other people don't want to work (rural, urban/underserved, county hospitals/clinics), BUT often treat their employees well and have great benefits (I have discovered).