Around 13 miles.
20 miles taking this route:Take A127 LONDON, from Wickford, to A12 to ILFORD and CENTRAL LONDON at GALLOWS CORNERS.Take A12 to A1112 DAGENHAM at MOBY DICK.Take A1112 to A1240 (Heathway) DAGENHAM, via Wood Lane.Take A1240 (Heathway) into Dagenham.
For exact driving distances it is best to use one of many internet sites which calculate routes.See the Related Question.
37.1 mi (about 1 hour 9 mins) per Google Maps
Sunderland to Essex is 290.22 miles
Braintree to Chester, 215 miles Braintree to Essex, 220 miles Chester to Essex, 90 miles
Essex County in England covers an area of approximately 1,417 square miles.
about 30 miles
About 70 miles
182 miles
122 miles
220 miles