How long did it take for you to get used to the environment?
"その環境に慣れるのにどのくらいかかりましたか" は英語で
- How long did it take for you to get used to the environment?
- How long did it take for you to adapt to your surroundings?
- How long did it take for you to get accustomed to a new environment?
といえます。
短くいえば
- How long did it take for you to adjust? (これをよく使います）
- How long did it take for you to get accustomed?
- How long did it take for you to get used to it?
How long did it take you to get used to life in XX?
How long was it until you felt comfortable living in XX?
この場合、次のような言い方ができますよ。
ーHow long did it take you to get used to life in XX?
「XXでの生活に慣れるのにどのくらいかかりましたか？」
ーHow long was it until you felt comfortable living in XX?
「XXでの生活に慣れるまでどのくらいかかりましたか？」
ご参考まで！
アメリカ合衆国 
カナダ 
