Palmer sits in the Matanuska Valley at the foot of the Chugach Mountains, and the Glenn Highway runs right through it. To the southwest, the Glenn crosses the Matanuska and Knik river flats toward Eagle River and Anchorage; to the northeast, it follows the Matanuska River past Sutton and Chickaloon toward the glacier and Glennallen. The Palmer-Wasilla Highway links the town to Wasilla to the west and carries a steady stream of traffic between the two. In town, the Glenn doubles as the main commercial strip, with turning traffic, school buses and farm vehicles sharing the lanes.
Palmer-Fishhook Road climbs northwest from town toward Hatcher Pass and Independence Mine, and the Old Glenn Highway loops southeast through Butte, past Bodenburg Butte to the Knik River before rejoining the Glenn. Farm Loop circles the agricultural land north of town. Many homes sit on gravel roads, steep driveways or farm lanes, and winter winds can drift them shut. A breakdown out on the river flats or up the Hatcher Pass road is a very different situation from a stall in town.
Palmer has a small municipal airport, and the Alaska State Fair draws big crowds to its fairgrounds at the edge of town every late summer. Public transit is limited, so households lean on pickups and SUVs for everything from commuting to Anchorage to hauling hay, firewood and gear. On-site repair suits a place where the nearest alternative can mean a long drive in a vehicle that may not make it.