Children at two primary schools in Isleworth trekked the distance from London to Santiago as they went toe to toe in a walking challenge.
Pupils at Isleworth Town and Ivybridge primary schools covered 7,315 miles between them during last month's Beat the Street competition - slightly further than the route between the English and Chilean capitals
Isleworth Town's students clocked up 5,288 miles by tapping in and out at various beat boxes in the area to record journeys made on foot or by bike during the month, much like you would with your Oyster card.
Even when the scores were adjusted to account for its being considerably larger, it still came out easily on top, winning £250 and a free screening of Dolphin 2 for all pupils, courtesy of Warner Brothers.
Isleworth Town and its individual prize winners were presented with their awards at the school, in Twickenham Road, last Monday (November 17).
Isleworth Town headteacher Eileen Sheedy said: "We have been delighted to have had the opportunity to take part in such a fantastic scheme. We have seen an increase in walkers as well as a positive adjustment to the attitude of pupils who walk, as they relish the chance to walk and accrue points for the school.
"We are very grateful to Hounslow Council who selected us to take part in such a brilliant promotion for healthy living."
Beat the Street is a European Union funded project, which is part of the EU-wide SWITCH initiative to encourage youngsters and their families to ditch the car and exercise more.
Hounslow Council's leisure chief Councillor Sachin Gupta said the scheme's success meant it was set to be rolled out to other schools and communities next year.