A little bit confused here,
this is traceroute log from one linux box,
traceroute to 4.2.2.1 (4.2.2.1), 30 hops max, 40 byte packets
1 172.16.20.1 (172.16.20.1) 4.417 ms 6.483 ms 7.175 ms
2 * * *
3 41.220.236.33 (41.220.236.33) 10.065 ms 10.766 ms 13.191 ms
4 PO1-2.lon-001-access-2.interoute.net (84.233.134.101) 667.116 ms 667.982 ms 668.952 ms
5 xe-2-3-0-0.lon-001-score-1-re0.interoute.net (84.233.218.161) 728.678 ms 729.505 ms 730.638 ms
6 212.113.16.109 (212.113.16.109) 663.840 ms 662.335 ms 674.782 ms
7 vnsc-pri.sys.gtei.net (4.2.2.1) 689.668 ms 668.866 ms *
The other log from a totally different ip,
traceroute to 4.2.2.1 (4.2.2.1), 30 hops max, 40 byte packets
1 192.168.0.1 (192.168.0.1) 0.124 ms 0.097 ms 0.124 ms
2 * * *
3 41.220.236.33 (41.220.236.33) 59.076 ms 55.156 ms 65.619 ms
4 PO1-2.lon-001-access-2.interoute.net (84.233.134.101) 438.410 ms 434.382 ms 430.250 ms
5 xe-2-3-0-0.lon-001-score-1-re0.interoute.net (84.233.218.161) 426.467 ms 422.556 ms 418.549 ms
6 212.113.16.109 (212.113.16.109) 438.014 ms 433.990 ms 429.978 ms
7 * * *
8 vnsc-pri.sys.gtei.net (4.2.2.1) 400.000 ms * *
Funny thing is the first one is >600 while the second is little bit >400ms and it is using the same route.