Depends if it's Ariane & Vega or Soyuz. 
Way to ELS is much farther than ZL3 & ZLV. Nevertheless I guess ~20km for Ariane & Vega and ~30km for Soyuz.
Can you guess the distance travelled on the ground by a launcher after it arrives in Kourou by the Route de l'Espace? 
Answer coming soon!pic.twitter.com/z7iTnBzC2v
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2.5 km for Ariane 5.
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