When using the airmilescalculator.com site to determine the total # km flown round-trip, instead of determining the # of KM 1-way and multiplying that by 2, you can get the total # of km round-trip/with stop-overs or connecting flights.
Instructions:

2. Add end/return Airport.

3. Click ![]()
4. Record total # km round trip (e.g., 13042 km).

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