So my gf (We're both 21) is doing these contract jobs where she travels across the states, and essentially merchandises stores with a team of people. They work long hours and I hardly get to talk to her during these times. This trip shes in a "ghetto" area as she says it and I have numerous panic attacks everyday just hoping she doesnt get kidnapped or mugged or taken when she leaves for lunch. She is working there alone and im a thousand miles away. I know no one there and its tearing me apart being so anxious about her safety constantly. Its dehabilitating. Im having trouble managing and sometimes it just makes it worse to talk about it. Ive lost motivation to do all the hobbies I like to do, and find myself completing my importan tasks such as exercise, homework, and work then spend the rest of my day refreshing her location. Luckily the job ends Saturday but odds are she'll take another one because she enjoys them. 

How does one stop worrying? When all rationale tells them it isnt valid to worry?

TLDR: Am constantly worried about my girlfriends safety while shes working a contract job far away. I stress all day that she'll get human traficked or kidnapped.