how many miles is it coast to coast in the US
O O B-SL_UNIT_DISTANCE O O B-SL_SOURCE_IN_GET_LOCATION_SL_CATEGORY_LOCATION O B-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION I-SL_DESTINATION_IN_GET_LOCATION B-SL_DESTINATION_IN_GET_LOCATION_SL_LOCATION_MODIFIER I-SL_DESTINATION_IN_GET_LOCATION_SL_LOCATION_MODIFIER