All 33 exits ranked by what a road-tripper actually needs: real food choice, easy gas, 24-hour service, and the stops worth a detour. Winners below.
Milepost 35 · 29 places to eat · 12 gas stations · 15 hotels · open 24 hours · ♥ Rock Creek Park, Thomas Circle
Milepost 32 · 29 places to eat · 17 gas stations · 13 hotels · open 24 hours · ♥ Gambrill State Park
Milepost 1 · 28 places to eat · 4 gas stations · 10 hotels · ♥ Great Falls Park, Turkey Run Park
Milepost 8 · 29 places to eat · 11 gas stations · 13 hotels · open 24 hours
Milepost 9 · 29 places to eat · 13 gas stations · 11 hotels · open 24 hours
Milepost 9 · 29 places to eat · 11 gas stations · 15 hotels · open 24 hours
Milepost 15 · 29 places to eat · 10 gas stations · 5 hotels · open 24 hours
Milepost 10 · 23 places to eat · 9 gas stations · 10 hotels · ♥ Gaithersburg Community Museum
Milepost 12 · 29 places to eat · 8 gas stations · 9 hotels · ♥ Seneca Creek State Park
Milepost 5 · 29 places to eat · 8 gas stations · 6 hotels · open 24 hours
← Every I-270 exit in Maryland
Pit Stop shows gas, food, hotels & must-see stops at every exit ahead — free, offline, on iPhone & CarPlay.