how long does it take to get train from london to runcorn
Presumably you mean London, Ontario.
A direct train takes about 4 hours.
About 1h25.
58 minutes
You can't take a train directly from the Shetland Islands to London. You can't even fly directly between Shetland and London. You could travel by boat from Shetland to Aberdeen and then take a train or fly from there to London or you could fly from Shetland to Edinburgh and either fly or take a train from Edinburgh to London.
30 minutes if there are no issues in the London station
Morden is IN London so it would depend on which part of London you are travelling from.
About 4 hours
2hrs 10 mins
about half an hour
About 7 hours