Autour de Chevreuse-Les Petyits Ponts 78.9 79 79 79 78.5 79.9 83.3 87.3 96.5 103.4 120.2 152.8 159.9 162.9 165 164 163 159.4 158 160.3 148.2 107.4 98.3 93.5 81.2 87 89.3 93 99.7 93.1 108.1 148 157.6 147.5 130.8 110 127.5 167.9 170 169.3 169.5 170.1 170.3 158 158 157.2 159.6 159.1 159.7 159.3 165.5 165 165 164.2 163.8 157.5 135.3 120.7 96.4 91.6 80 74.9 75.5 77.5 78.7 79.1 78.9