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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.

West Europe → UK South
12 ms
West Europe → Germany West Central
13 ms
West Europe → Germany North
14 ms
West Europe → France Central
15 ms
West Europe → UK West
15 ms
West Europe → North Europe
18 ms
West Europe → Switzerland North
19 ms
West Europe → Norway West
20 ms
West Europe → Switzerland West
22 ms
West Europe → Norway East
23 ms
West Europe → Poland Central
23 ms
West Europe → France South
24 ms
West Europe → Italy North
24 ms
West Europe → Sweden Central
36 ms
West Europe → Israel Central
67 ms
West Europe → East US
85 ms
West Europe → East US 2
90 ms
West Europe → Canada Central
98 ms
West Europe → Canada East
101 ms
West Europe → North Central US
104 ms
West Europe → Central US
116 ms
West Europe → South Central US
116 ms
West Europe → UAE Central
122 ms
West Europe → West India
122 ms
West Europe → UAE North
123 ms
West Europe → West Central US
130 ms
West Europe → Mexico Central
133 ms
West Europe → South India
139 ms
West Europe → West US 3
139 ms
West Europe → Central India
146 ms
West Europe → Qatar Central
148 ms
West Europe → South Africa West
149 ms
West Europe → West US 2
151 ms
West Europe → West US
153 ms
West Europe → Southeast Asia
161 ms
West Europe → Malaysia West
164 ms
West Europe → South Africa North
165 ms
West Europe → Brazil South
186 ms
West Europe → East Asia
191 ms
West Europe → Korea South
216 ms
West Europe → Korea Central
221 ms
West Europe → Japan West
226 ms
West Europe → Japan East
235 ms
West Europe → Australia Southeast
245 ms
West Europe → Australia East
251 ms
West Europe → Australia Central
254 ms
West Europe → Australia Central 2
254 ms
West Europe → New Zealand North
267 ms
West Europe → Jio India West
N/A
West Europe → West Europe
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