<div dir="ltr"><div class="gmail_quote"><div dir="ltr">Hi Mohamed,<div><br></div><div>  The OSRM demo server sits behind a CloudFront (<a href="https://aws.amazon.com/cloudfront/" target="_blank">https://aws.amazon.com/<wbr>cloudfront/</a>) CDN - Cloudfront has a limit of 8192 bytes for HTTP GET requests (complete HTTP header size, including GET line).  The "Bad Request" is coming from CloudFront, not OSRM.</div><div><br></div><div>  You should round down the coordinates you're passing in - your longitude value of <a href="http://router.project-osrm.org/route/v1/driving/2.378146000000015,48.8660493;2.3964144999999917,48.85112950000001;2.378146000000015,48.8660493;2.384737399999949,48.8541038;2.378146000000015,48.8660493;2.3765604000000167,48.8601135;2.378146000000015,48.8660493;2.3851995999999644,48.88287709999999;2.378146000000015,48.8660493;2.396190299999944,48.8806376;2.378146000000015,48.8660493;2.37285339999994,48.8665961;2.378146000000015,48.8660493;2.360494000000017,48.866345;2.378146000000015,48.8660493;2.360494000000017,48.866345;2.378146000000015,48.8660493;2.3466575999999577,48.87327879999999;2.378146000000015,48.8660493;2.400372100000027,48.8679642;2.378146000000015,48.8660493;2.4169650999999703,48.8660905;2.378146000000015,48.8660493;2.4144400000000132,48.8756607;2.3964144999999917,48.85112950000001;2.378146000000015,48.8660493;2.3964144999999917,48.85112950000001;2.384737399999949,48.8541038;2.3964144999999917,48.85112950000001;2.3765604000000167,48.8601135;2.3964144999999917,48.85112950000001;2.3851995999999644,48.88287709999999;2.3964144999999917,48.85112950000001;2.396190299999944,48.8806376;2.3964144999999917,48.85112950000001;2.37285339999994,48.8665961;2.3964144999999917,48.85112950000001;2.360494000000017,48.866345;2.3964144999999917,48.85112950000001;2.360494000000017,48.866345;2.3964144999999917,48.85112950000001;2.3466575999999577,48.87327879999999;2.3964144999999917,48.85112950000001;2.400372100000027,48.8679642;2.3964144999999917,48.85112950000001;2.4169650999999703,48.8660905;2.3964144999999917,48.85112950000001;2.4144400000000132,48.8756607;2.384737399999949,48.8541038;2.378146000000015,48.8660493;2.384737399999949,48.8541038;2.3964144999999917,48.85112950000001;2.384737399999949,48.8541038;2.3765604000000167,48.8601135;2.384737399999949,48.8541038;2.3851995999999644,48.88287709999999;2.384737399999949,48.8541038;2.396190299999944,48.8806376;2.384737399999949,48.8541038;2.37285339999994,48.8665961;2.384737399999949,48.8541038;2.360494000000017,48.866345;2.384737399999949,48.8541038;2.360494000000017,48.866345;2.384737399999949,48.8541038;2.3466575999999577,48.87327879999999;2.384737399999949,48.8541038;2.400372100000027,48.8679642;2.384737399999949,48.8541038;2.4169650999999703,48.8660905;2.384737399999949,48.8541038;2.4144400000000132,48.8756607;2.3765604000000167,48.8601135;2.378146000000015,48.8660493;2.3765604000000167,48.8601135;2.3964144999999917,48.85112950000001;2.3765604000000167,48.8601135;2.384737399999949,48.8541038;2.3765604000000167,48.8601135;2.3851995999999644,48.88287709999999;2.3765604000000167,48.8601135;2.396190299999944,48.8806376;2.3765604000000167,48.8601135;2.37285339999994,48.8665961;2.3765604000000167,48.8601135;2.360494000000017,48.866345;2.3765604000000167,48.8601135;2.360494000000017,48.866345;2.3765604000000167,48.8601135;2.3466575999999577,48.87327879999999;2.3765604000000167,48.8601135;2.400372100000027,48.8679642;2.3765604000000167,48.8601135;2.4169650999999703,48.8660905;2.3765604000000167,48.8601135;2.4144400000000132,48.8756607;2.3851995999999644,48.88287709999999;2.378146000000015,48.8660493;2.3851995999999644,48.88287709999999;2.3964144999999917,48.85112950000001;2.3851995999999644,48.88287709999999;2.384737399999949,48.8541038;2.3851995999999644,48.88287709999999;2.3765604000000167,48.8601135;2.3851995999999644,48.88287709999999;2.396190299999944,48.8806376;2.3851995999999644,48.88287709999999;2.37285339999994,48.8665961;2.3851995999999644,48.88287709999999;2.360494000000017,48.866345;2.3851995999999644,48.88287709999999;2.360494000000017,48.866345;2.3851995999999644,48.88287709999999;2.3466575999999577,48.87327879999999;2.3851995999999644,48.88287709999999;2.400372100000027,48.8679642;2.3851995999999644,48.88287709999999;2.4169650999999703,48.8660905;2.3851995999999644,48.88287709999999;2.4144400000000132,48.8756607;2.396190299999944,48.8806376;2.378146000000015,48.8660493;2.396190299999944,48.8806376;2.3964144999999917,48.85112950000001;2.396190299999944,48.8806376;2.384737399999949,48.8541038;2.396190299999944,48.8806376;2.3765604000000167,48.8601135;2.396190299999944,48.8806376;2.3851995999999644,48.88287709999999;2.396190299999944,48.8806376;2.37285339999994,48.8665961;2.396190299999944,48.8806376;2.360494000000017,48.866345;2.396190299999944,48.8806376;2.360494000000017,48.866345;2.396190299999944,48.8806376;2.3466575999999577,48.87327879999999;2.396190299999944,48.8806376;2.400372100000027,48.8679642;2.396190299999944,48.8806376;2.416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