247 Miles
385 miles.
About 115 miles.
There is no motorway, but the A14 is a busy road which Birmingham to Ipswich, which is not far from Norwich.
By car, Halvergate to Norwich is 15.4 Miles taking approx. 27 Minutes (Google Maps)
London as far as I can tell !!
The London Underground does not go to Norwich, it only goes as far as the suburbs. Norwich has a mainline station with direct trains to London Liverpool Street.
Peterborogh New Hampshire
180 miles
Norwich
It is 2,559 miles according to Google Maps.
It is 3,050 miles according to Google Maps.