Baulne is 52 km (32 mi) south ofParis Notre Dame,kilometre zero for the roads in France, 17 km (11 mi) south east ofÉvry, 16 km (10 mi) north east ofÉtampes, 1 km (1 mi) north ofLa Ferté-Alais, 13 km (8 mi) south east ofArpajon, 13 km (8 mi) north west ofMilly-la-Forêt, 16 km (10 mi) south east ofCorbeil-Essonnes, 18 km (11 mi) south east ofMontlhéry, 26 km (16 mi) south east ofPalaiseau, 56 km (35 mi) east ofDourdan. It is 107 km (66 mi) away from its former homonymBaulne-en-Brie in the department ofAisne.