Best Countries for Azure California (US) — October 2026

Countries ranked by lowest median latency to the Azure California (US) cloud region, based on all of October 2026's measurements across 1000+ cities worldwide. Published on the 1st of each month for the previous month. Find the countries where Azure California (US) is the fastest cloud region.

Rank	Country	Avg Latency	Median Latency	Loss	Cities	ASN Count	Samples
1	United States	53.7ms	59.3ms	0.3%	81	55	136
2	Mexico	61.3ms	63.6ms	0.0%	7	8	65
3	Canada	61.9ms	67.6ms	1.1%	21	17	122
4	Puerto Rico	85.4ms	85.6ms	0.0%	1	1	15
5	Panama	133.9ms	95.7ms	0.0%	1	1	7
6	Curaçao	98.1ms	98.1ms	0.0%	1	1	2
7	Costa Rica	101.3ms	99.5ms	0.0%	1	4	6
8	Venezuela	118.5ms	99.9ms	0.0%	2	2	9
9	Colombia	106.0ms	101.5ms	0.0%	3	3	17
10	Guatemala	104.8ms	105.0ms	0.0%	1	1	7
11	Trinidad and Tobago	113.8ms	113.0ms	0.0%	1	1	6
12	Japan	118.0ms	116.0ms	0.0%	13	12	27
13	Guam	121.0ms	120.0ms	0.0%	1	2	4
14	Ecuador	127.8ms	125.5ms	0.0%	3	3	4
15	South Korea	153.4ms	131.0ms	0.0%	7	6	7
16	Ireland	133.3ms	132.0ms	0.0%	4	4	5
17	Taiwan, China	142.8ms	138.0ms	0.0%	8	5	8
18	United Kingdom	171.3ms	141.0ms	0.0%	18	16	18
19	Spain	148.5ms	143.0ms	0.0%	15	13	15
20	Luxembourg	145.0ms	144.0ms	0.0%	2	1	2