Room for improvement- so much RNG!

[mm:ss.mmm]

London: 00:05.550 - 01:26.880 = 01:21.330

Hong Kong 01:37.630 - 03:17.040 = 01:39.410

New York 03:28.940 - 05:15.860 = 01:46.920

Paris 05:27.220 - 07:40.860 = 02:13.640

Rome 07:52.230 - 09:22.550 = 01:30.320

Total = 08:31.620