First of all you can’t be in a relationship if there is no trust but to be in a distant relationship there has to be more trust than a normal relationship. And If you find yourself in a distant relationship this are the things you have to do to secure you relationship:
1: make sure you two speak to each other every day
2: Give more attention to your spouse like never before while he/she is away.
3:Alway think about your spouse everyday and everytime
4: Feel free to miss your spouse, you are supposed to.
5:Try not to have argument with your spouse who is far away over the phone.
6:Never make your spouse angry over the phone, it won’t be easy to resolve the problem over the phone.
If you follow this rules you would probably enjoy your relationship