I have cox gigablast in San Diego and this is about the best it gets:
:::.. Internet Speed Test Result Details ..:::
Download Connection Speed:: 258071 kbps or 258.1 Mbps
Download Speed Test Size:: 200 MB or 204800 kB or 209715200 bytes
Download Binary File Transfer Speed:: 32259 kB/s or 32.3 MB/s
Upload Connection Speed:: 14593 kbps or 14.6 Mbps
Upload Speed Test Size:: 12 MB or 12288 kB or 12582912 bytes
Upload Binary File Transfer Speed:: 1824 kB/s or 1.8 MB/s
Timed:: Download: 6.501 seconds | Upload: 6.898 seconds
Tested At:: https://TestMy.net
Test Time:: 2018-07-20 07:13:28 Local Time
Client Location:: Spring Valley, CA US https://testmy.net/city/spring_valley_ca
Target:: San Francisco, CA https://testmy.net/multithread
Validation:: https://testmy.net/db/BvKSs1zux.AzkGFiMPm
TiP Measurement Summary (Download):: Min 219.47 Mbps | Middle Avg 262.17 Mbps | Max 271.57 Mbps | 9% Variance
Client Stats:: https://testmy.net/quickstats/JasonP71 https://testmy.net/compID/1601687249
User Agent:: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.103 Safari/537.36 [!]