Sir Railway has a established system to calculate distance on different ground parameters:
Coaching
UMB CUMULATIVE DISTANCE>0.0 INTER - DISTANCE>>0
DHPR >34.22 >>6.57 from LLU
CDG >67.55 >>33.33
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UMB >0.0 >>0
DHPR >22.81 >>4.38 from LLU
CDG >45.03 >>22.22
Route KM
UMB >0.0 >>0
DHPR >22.81 >>4.38 from LLU
CDG >45.03 >>22.22