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United States to France
Distance
6,666 km
Fastest
13h 55m
Recovery
~1.0 days
Options
50 routes
Eastward travel is harder to adjust — your body clock moves forward
Minimal impact
Tip: Start adjusting 2-3 days before departure. Go to bed 30 min earlier each day and seek morning light.
Best routes for different priorities
13h 55m
Direct
1/100
~6.0 days recovery
Nonstop
13h 55m • AF
Eastward travel - harder adjustment
ORD
CDG
Compare jetlag impact for the return journey