Not been in a Type II for ages so not sure what their range is. But lets say Kiel to Brest is around 3,000 kilometres give or take via the north of Scotland, I would say yes you should be able to do it. My advice though is once your stationed at Brest, if you have sufficient renown, is to upgrade to a type VII as the Type II is not really suited to Atlantic patrols.
Nemo
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"I'm afraid there is no disguising the fact that King's obsession with the Pacific and the Battle of Washington cost us dear in the Battle of the Atlantic".
Sir John Slessor GCB, DSO, MC, DL
AOC-in-C Coastal Command RAF
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