# distance(from:to:) The distance between two indexes (always zero). ``` func distance(from start: EmptyCollection.Index, to end: EmptyCollection.Index) -> Int ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)