The phrase "a few blocks back" is correct and usable in written English.
It can be used to refer to a location that is a short distance away in the past, often in the context of giving directions or describing a previous location.
Example: "If you continue straight, you'll find the café just a few blocks back on the right."
Alternatives: "a short distance back" or "a couple of blocks behind".
It is located on a quieter, semi-commercial street, a few blocks back from the sea, behind the Negresco.
Rummaging through Ash's photos, I found a photograph, taken at another mosque a few blocks back — the Grand Mosque, the center of town.
The Hi Hotel (+33 4 9707 2626 doubles from €250) a few blocks back on Avenue des Fleurs is a futuristic pad with colourful rooms, gadgets and DJs.
But just a few blocks back from the splendid views of New York, the largely immigrant, working-class neighborhoods are much as they were before the boom, hardly affected by the big business being done nearby.
He said he had forgotten to point out his father's own office a few blocks back, one of many geographic touchstones to his life that he often passes by bike.
From this corner of Florence, a few blocks back from the Ponte Amerigo Vespucci, he has cobbled together an international reputation among men who love fine custom and prêt-à -porter footwear.
The main headquarters of Syria's intelligence services in Beirut is only a few blocks from the back-to-back portraits.
He followed the fence a few blocks before circling back uphill on what appeared to be a commercial street.
Every day he hitches a ride on a boat for a few blocks to bring back supplies.
But Rosemary Vietor, vice president of the Bowne House Historical Society, which preserves the farmstead Mr. Bowne once lived in a few blocks away, said the back edges of the graveyard most likely contained the bodies of Mr. Bowne and his three successive wives, as well as many others.
He stays in a hotel on Montmartre a few blocks from what was, back in the day, a famous "best brothel in town," and includes a visit to the fleshpots of Pigalle ("Pig Alley" to Flint's men in 1944) that ends in disappointment.
