Where is Gauchy?

Saint-Quentin2.6 km · 1.6 mi → Harly2.8 km · 1.8 mi → Essigny-le-Grand5.5 km · 3.4 mi → Itancourt5.6 km · 3.5 mi → Holnon5.6 km · 3.5 mi → Omissy6.2 km · 3.9 mi → Homblières7.0 km · 4.3 mi → Étreillers8.1 km · 5.1 mi → Montescourt-Lizerolles10.0 km · 6.2 mi → Vermand10.4 km · 6.4 mi → Jussy12.3 km · 7.7 mi → Ribemont13.8 km · 8.6 mi →

Ambleny49.38079, 3.18447 → Anizy-le-Château49.50678, 3.45119 → Anizy-le-Grand49.51590, 3.44260 → Athies-sous-Laon49.57369, 3.68417 → Aulnois-sous-Laon49.61429, 3.60547 → Beaurevoir49.99714, 3.30855 →