Five miles ( 8 km ) from Brentford the latter running north and east of Central London .
Brentford is the Paddington Arm runs circuitously on the flat to a lock and a junction with the Regent 's Canal .
Five miles ( 8 km ) from Brentford , the Paddington Arm runs circuitously on the flat to a lock and a junction with the Regent 's Canal , the latter running north and east of Central London .