Here is "ping 8.8.8.8" showing latency over cellular internet some of the time, and I live in the centre of a city:
64 bytes from 8.8.8.8: icmp_seq=6145 ttl=114 time=363613.635 ms
64 bytes from 8.8.8.8: icmp_seq=6175 ttl=114 time=334289.726 ms
64 bytes from 8.8.8.8: icmp_seq=6176 ttl=114 time=333689.274 ms
64 bytes from 8.8.8.8: icmp_seq=6177 ttl=114 time=332851.621 ms
64 bytes from 8.8.8.8: icmp_seq=6178 ttl=114 time=332673.845 ms
64 bytes from 8.8.8.8: icmp_seq=6179 ttl=114 time=332618.215 ms
64 bytes from 8.8.8.8: icmp_seq=6180 ttl=114 time=331634.496 ms
64 bytes from 8.8.8.8: icmp_seq=6181 ttl=114 time=330736.758 ms
64 bytes from 8.8.8.8: icmp_seq=6182 ttl=114 time=331050.087 ms
64 bytes from 8.8.8.8: icmp_seq=6183 ttl=114 time=330813.820 ms
