Azure Region to Region Latency
Round-trip latency measures the time for a data packet to travel from one Azure region to another and back. This metric is critical for real-time applications, gaming, and financial transactions where milliseconds matter.
Region-to-region latency lookup
Select a source region from the dropdown below to view round-trip latency to all other Azure regions. Results are sorted by latency from fastest to slowest.
Historical latency snapshot
Visit the Azure Network Latency Documentation for the latest updates.
Additional resources
Azure network round trip latency statistics
Review the latest Microsoft-published tables that highlight average inter-region latency.
View latency statisticsTest VM network latency
Learn how to benchmark VM-to-VM latency using Azure tools and recommended configurations.
Benchmark VM latencyView relative latency to Azure regions
Leverage Azure Network Watcher to monitor edge-to-region latency from specific locations.
Network Watcher guideTroubleshooting network performance
Follow a diagnostic checklist to resolve throughput or latency concerns on ExpressRoute.
ExpressRoute troubleshootingWhich cloud performs better, AWS, Azure or Google?
Explore an industry comparison of backbone design choices across major cloud providers.
Compare cloud providersRound trip between Azure regions
Dive into the Learn article for architectural best practices and historical latency charts.
View best practices