Gilmanton Iron Works New Hampshire Traffic 2024-12-16 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Gilmanton Iron Works New Hampshire Gilmanton, NH 3.74 mi Alton Bay, NH 5.86 mi Alton, NH 9.78 miInterstate highway exits close to Gilmanton Iron Works New Hampshire Exit 20, i93 19.60 mi Exit 19, i93 20.96 mi Exit 22, i93 24.32 miInterstate highways close to Gilmanton Iron Works New Hampshire i93 map 19.60 mi i89 map 33.71 mi i293nh map 43.86 miState roads close to Gilmanton Iron Works New Hampshire NH 11D map 8.97 mi NH 11 map 9.76 mi NH 11A map 10.33 mi