天各一方 - Corrections please

我的女朋友與我住和自己天各一方。[This is too poetic or formal for this context.  女朋友和我住在不同的地方] 很多年前我们见了在普雷斯顿当念書时才認識学习。这地方她在住在附近。這样我们可能以常常相見看彼此，但她喜歡來探望看的时候我那么很好因为我可以显示帶她到伦敦的四處参觀。

My girlfriend and I live apart. Many years ago we met in Preston while learning. This is where she still lives. We often can visit each other, but she likes to visit me because she likes to be shown London.

天各一方 - Corrections please

我的女朋友和自己天各一方。多年前我们见了在普雷斯顿当时学习。

这地方她在住在。我们可能常常看彼此，但她看的时候我那么很好因为显示伦敦。 

My girlfriend and I live apart. Many years ago we met in Preston while learning. This is where she still lives. We often can visit each other, but she likes to visit me because she likes to be shown London.

If I translate this paragraph (not word by word), I would say like this, just for reference.

《天各一方》

我和女朋友现在分居两地。我俩是多年前在普雷斯顿大学认识的。她现在仍在那儿住。

我们经常见面，更多是她来我这边，因为可以顺便参观伦敦。

分隔两地

我和女朋友现在分隔两地。我们是多年前在普雷斯顿学习的时候相遇的。目前她还住在那儿。虽然我们经常看望彼此，但她更倾向于来看我，因为她喜欢带她去参观伦敦。

My girlfriend and I live apart. Many years ago we met in Preston while learning. This is where she still lives. We often can visit each other, but she likes to visit me because she likes to be shown London.

天各一方 - Corrections please

我的女朋友和自己天各一方。多年前我们见了在普雷斯顿当时学习。这地方她在住在。我们可能常常看彼此，但她看的时候我那么很好因为显示伦敦。

My girlfriend and I live apart. Many years ago we met in Preston while learning. This is where she still lives. We often can visit each other, but she likes to visit me because she likes to be shown London.

我和女朋友天各一方。我们是多年前在普林斯顿大学念书的时候邂逅的。她现在仍然呆在那里。我们经常彼此探望，而她更喜欢来探望我，因为她喜欢漫步在伦敦街头。