My annoyance about my parents, girlfriend, and job. Please help me!

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More than one year ago, I graduated from the university. At the same time I got a great job. I'm very satisfied with my first job, but the only problem is that the site of my company is far away from my hometown. It's more than 18000 kilometers away from my hometown. Then, I met my current girlfriend at the site of my company. She is beautiful, femininity, hardworking and independent. I love her very much. Everything goes well and I fell eudemonia. Some days ago, my parents said they missed me very much and they wanted me to work in a company which is near from my hometown.They said they wanted my son could call them grandfather and grandmother everyday in the future. And if I worked in my current company, they could only hear few times in one year. They would be very sad about that. I could understand my parents' feeling, and I figure that you could aslo understand it. Besides that, they helped me to find a company which is near my hometown through my relatives. To be frank with you, this company is more great than my current company. My girlfriend is considerate to me. She is supported to me. She aslo consider that I should go to that company and filial piety is very important. She said I could go to the company near my hometown firstly. Then after about one year, she will resign from her current company and come to the site where I am. Not long ago, her current company dispatched her to a foreign country. So she wouldn't resign from her current company recently. In a word, I have two choices now. One is that I will go to the new company, but I need to shoulder the burden that my girlfriend may leave me. You know, everything may changes. The other one is that I will stay at my current company, then I will be a undutiful child. I also don't want to say "I'm apologized" to my parents. Which one should I choose? Please help me. Thank you!