ça fonctionne bien sur openrouteservice, c'est probablement de votre côté

https://maps.openrouteservice.org/#/directions/Rue%20de%20Charcenay,Fondettes,France/Rue%20de%20Charcenay,Fondettes,France/data/55,130,32,198,15,97,4,224,38,9,96,59,2,24,5,192,166,6,113,0,184,64,6,0,232,3,96,5,128,38,1,216,4,230,50,129,89,72,3,128,102,75,241,120,242,1,165,50,195,75,228,108,94,141,114,1,25,139,228,28,64,55,17,98,45,171,41,30,73,151,70,76,154,149,239,208,125,22,245,137,52,174,58,141,82,196,67,113,1,0,3,170,120,17,19,97,202,0,23,148,0,182,185,196,233,7,109,1,0,6,111,0,3,110,139,130,11,13,15,0,6,228,128,14,96,11,64,1,104,151,29,96,29,14,140,30,131,152,134,9,23,131,153,5,229,238,136,139,14,139,5,159,104,236,234,234,7,30,138,159,6,1,16,15,170,128,9,231,108,82,14,153,147,104,18,30,30,137,215,108,141,12,133,228,210,3,153,138,139,22,0,210,235,138,10,158,143,8,154,154,139,130,195,106,156,142,229,230,139,140,28,134,25,142,128,11,239,127,116,0