PicBackMan is the best tool when it comes to migrating photos from one online account/service to another. PicBackMan is not only a photo uploader but a tool packed with features like downloading photos, uploading photos, de-duping and migrating photos and videos from one to another service. PicBackMan’s Google Photos uploader backs up 1000s of photos and videos to your Google Photos account.
Here’s how to upload your photos from Google Photos to OneDrive :
Here’s the video tutorial you can refer to
PicBackMan is a free photo/video uploader that helps you to keep your memories backed up to your favorite online services.
Users in 130+ countries have backed up.
... an excellent job of uploading more then 300GB of photos to 2 different services