The phrase “in crowded conditions, but not in offence” is often found in Russian when talking about a situation in which people have to crowd together, but this does not spoil the relationship and does not prevent them from having a good time together. There is no point in literally translating this expression into Ukrainian..
One of the simplest options: close, keep warm. This is what they say when there is not enough space, but the atmosphere is pleasant and friendly.
Another expression close in meaning: it’s crowded, it’s quiet.
It is suitable if we are talking not only about physical closeness, but also about a feeling of comfort and closeness between people.
You can also use the Ukrainian proverb: when it is good, there is good weather. Thus, the Russian phrase “in cramped conditions, but not in offence” does not need to be literally translated into Ukrainian. Our language has its own precise expressions that naturally convey the same meaning.
And instead of the calque “small, but remote,” it is better to use native Ukrainian expressions that sound more natural and figurative.