Google Distance Matrix API keep returning 'ZERO_RESULTS'. I checked my request twice and couldn't find any problem, pls help.
This is my request url: https://maps.googleapis.com/maps/api/distancematrix/json?origins=-77.18457758276422,38.93989291394156&destinations=-77.07489935925479,38.743491801018926&mode=walking&key=xxxx
result I got:
{
destination_addresses:[
"-77.074899359254786,38.743491801018926"
],
origin_addresses:[
"-77.18457758276422,38.939892913941563"
],
rows:[
{
elements:[
{
status:"ZERO_RESULTS"
}
]
}
],
status:"OK"
}