diff --git a/arrow/arrow.py b/arrow/arrow.py
index f0a57f04..6ca7b067 100644
--- a/arrow/arrow.py
+++ b/arrow/arrow.py
@@ -643,8 +643,8 @@ def ceil(self, frame: _T_FRAMES, **kwargs: Any) -> "Arrow":
     def span_range(
         cls,
         frame: _T_FRAMES,
-        start: dt_datetime,
-        end: dt_datetime,
+        start: Union["Arrow", dt_datetime],
+        end: Union["Arrow", dt_datetime],
         tz: Optional[TZ_EXPR] = None,
         limit: Optional[int] = None,
         bounds: _BOUNDS = "[)",
@@ -702,8 +702,10 @@ def span_range(
         """
 
         tzinfo = cls._get_tzinfo(start.tzinfo if tz is None else tz)
-        start = cls.fromdatetime(start, tzinfo).span(frame, exact=exact)[0]
-        end = cls.fromdatetime(end, tzinfo)
+        start = cls.fromdatetime(cls._get_datetime(start), tzinfo).span(
+            frame, exact=exact
+        )[0]
+        end = cls.fromdatetime(cls._get_datetime(end), tzinfo)
         _range = cls.range(frame, start, end, tz, limit)
         if not exact:
             for r in _range:
@@ -725,8 +727,8 @@ def span_range(
     def interval(
         cls,
         frame: _T_FRAMES,
-        start: dt_datetime,
-        end: dt_datetime,
+        start: Union["Arrow", dt_datetime],
+        end: Union["Arrow", dt_datetime],
         interval: int = 1,
         tz: Optional[TZ_EXPR] = None,
         bounds: _BOUNDS = "[)",
diff --git a/tests/test_arrow.py b/tests/test_arrow.py
index b595e4e2..c1dcfbb9 100644
--- a/tests/test_arrow.py
+++ b/tests/test_arrow.py
@@ -1628,6 +1628,26 @@ def test_exact(self):
 
         assert result == expected
 
+    def test_arrow_objects_as_start_end(self):
+        start = arrow.Arrow(2013, 5, 5, 12, 30)
+        end = arrow.Arrow(2013, 5, 5, 17, 15)
+        result = list(arrow.Arrow.interval("hour", start, end, 2))
+
+        assert result == [
+            (
+                arrow.Arrow(2013, 5, 5, 12),
+                arrow.Arrow(2013, 5, 5, 13, 59, 59, 999999),
+            ),
+            (
+                arrow.Arrow(2013, 5, 5, 14),
+                arrow.Arrow(2013, 5, 5, 15, 59, 59, 999999),
+            ),
+            (
+                arrow.Arrow(2013, 5, 5, 16),
+                arrow.Arrow(2013, 5, 5, 17, 59, 59, 999999),
+            ),
+        ]
+
 
 @pytest.mark.usefixtures("time_2013_02_15")
 class TestArrowSpan: