diff --git a/src/document/migrate-scene-document.ts b/src/document/migrate-scene-document.ts
index 7508ae4d..3e61ef59 100644
--- a/src/document/migrate-scene-document.ts
+++ b/src/document/migrate-scene-document.ts
@@ -29,6 +29,7 @@ import {
   createCameraRigPlayerTargetRef,
   createCameraRigWorldPointTargetRef,
   DEFAULT_PLAYER_START_GAMEPAD_BINDINGS,
+  DEFAULT_PLAYER_START_INTERACTION_REACH_METERS,
   DEFAULT_PLAYER_START_KEYBOARD_BINDINGS,
   createNpcAlwaysPresence,
   createNpcEntity,
@@ -3299,6 +3300,11 @@ function readPlayerStartEntity(value: unknown, label: string): EntityInstance {
       value.navigationMode,
       `${label}.navigationMode`
     ),
+    interactionReachMeters: readOptionalPositiveFiniteNumber(
+      value.interactionReachMeters,
+      `${label}.interactionReachMeters`,
+      DEFAULT_PLAYER_START_INTERACTION_REACH_METERS
+    ),
     movementTemplate: readPlayerStartMovementTemplate(
       value.movementTemplate,
       `${label}.movementTemplate`
diff --git a/src/runtime-three/runtime-scene-build.ts b/src/runtime-three/runtime-scene-build.ts
index 73936159..8a69ed9b 100644
--- a/src/runtime-three/runtime-scene-build.ts
+++ b/src/runtime-three/runtime-scene-build.ts
@@ -278,6 +278,7 @@ export interface RuntimePlayerStart {
   position: Vec3;
   yawDegrees: number;
   navigationMode: RuntimeNavigationMode;
+  interactionReachMeters: number;
   movement: RuntimePlayerMovement;
   inputBindings: PlayerStartInputBindings;
   collider: FirstPersonPlayerShape;
@@ -1591,6 +1592,7 @@ function buildRuntimeSceneCollections(
           position: cloneVec3(entity.position),
           yawDegrees: entity.yawDegrees,
           navigationMode: entity.navigationMode,
+          interactionReachMeters: entity.interactionReachMeters,
           movement: buildRuntimePlayerMovement(entity.movementTemplate),
           inputBindings: clonePlayerStartInputBindings(entity.inputBindings),
           collider: buildRuntimePlayerShape(entity)
@@ -1987,6 +1989,7 @@ export function buildRuntimeSceneFromDocument(
           position: cloneVec3(playerStartEntity.position),
           yawDegrees: playerStartEntity.yawDegrees,
           navigationMode,
+          interactionReachMeters: playerStartEntity.interactionReachMeters,
           movement: cloneRuntimePlayerMovement(playerMovement),
           inputBindings: clonePlayerStartInputBindings(playerInputBindings),
           collider: playerCollider