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Azure Speed Test

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.

Central US → North Central US
15 ms
Central US → West Central US
18 ms
Central US → Canada Central
27 ms
Central US → East US
29 ms
Central US → South Central US
29 ms
Central US → Canada East
36 ms
Central US → East US 2
37 ms
Central US → West US 2
39 ms
Central US → West US
41 ms
Central US → Mexico Central
47 ms
Central US → West US 3
47 ms
Central US → North Europe
102 ms
Central US → UK South
111 ms
Central US → UK West
112 ms
Central US → France South
115 ms
Central US → West Europe
115 ms
Central US → France Central
118 ms
Central US → Switzerland West
119 ms
Central US → Italy North
123 ms
Central US → Germany North
124 ms
Central US → Germany West Central
124 ms
Central US → Norway West
124 ms
Central US → Switzerland North
125 ms
Central US → Norway East
126 ms
Central US → Poland Central
133 ms
Central US → Japan East
135 ms
Central US → Sweden Central
142 ms
Central US → Japan West
143 ms
Central US → Brazil South
150 ms
Central US → Korea South
152 ms
Central US → Korea Central
157 ms
Central US → New Zealand North
162 ms
Central US → Israel Central
170 ms
Central US → Australia East
175 ms
Central US → Australia Central
177 ms
Central US → Australia Central 2
177 ms
Central US → Australia Southeast
187 ms
Central US → East Asia
187 ms
Central US → Southeast Asia
198 ms
Central US → Malaysia West
202 ms
Central US → UAE Central
213 ms
Central US → West India
214 ms
Central US → UAE North
215 ms
Central US → South Africa West
229 ms
Central US → South India
231 ms
Central US → Central India
239 ms
Central US → South Africa North
245 ms
Central US → Qatar Central
249 ms
Central US → Central US
N/A
Central US → Jio India West
N/A

Historical latency snapshot

Azure network latency matrix showing round-trip times between regions, ranging from under 2ms within geography to over 200ms cross-continent, December 2020
Azure backbone latency matrix (December 2020 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 statistics

Test VM network latency

Learn how to benchmark VM-to-VM latency using Azure tools and recommended configurations.

Benchmark VM latency

View relative latency to Azure regions

Leverage Azure Network Watcher to monitor edge-to-region latency from specific locations.

Network Watcher guide

Troubleshooting network performance

Follow a diagnostic checklist to resolve throughput or latency concerns on ExpressRoute.

ExpressRoute troubleshooting

Which cloud performs better, AWS, Azure or Google?

Explore an industry comparison of backbone design choices across major cloud providers.

Compare cloud providers

Round trip between Azure regions

Dive into the Learn article for architectural best practices and historical latency charts.

View best practices