New Hampshire Route 11 is a 108.223-mile-long (174.168 km) east–west state highway in New Hampshire, running completely across the central part of the state. Its western terminus is at the Vermont state line in Charlestown, where it continues west as Vermont Route 11. The eastern terminus is at the Maine state line in Rochester, where it crosses the border with U.S. Route 202 and continues as Maine State Route 11.

New Hampshire Route 103 is a 48.300-mile-long (77.731 km) east–west highway in west-central New Hampshire, United States. The highway runs from Claremont, at the Vermont border on the Connecticut River, to Hopkinton, west of Concord.