Maned flight - our Moon.
Deep Space, Voyager. It has left the solar system out past Pluto.
Hi German Shepherd,
Your question rekindled by boyhood fascination with spaceflight, now aided by by my mature adult web research skills. So here are the current records for astronaut bearing and robotic spacecraft, with links to source webpages.
ASTRONAUT BEARING SPACECRAFT: APOLLO 13 CSM+LM – 248,655 MILES
"Because Apollo 13 followed the free return trajectory, its altitude over the lunar far side was approximately 100 km (60 mi) greater than the orbital altitude on the remaining Apollo lunar missions. ‘The Guinness Book of Records' lists this flight as holding the absolute altitude record for a manned spacecraft."
~ from ‘Apollo 13 – Mission notes', at The People's Encyclopaedia
"1992 Guinness Book of World Records, page 118, states that Apollo 13 holds the record for farthest distance traveled from Earth: 248,655 st mi at 1:21 a.m. British Daylight Time 15 April 1970 at 158 miles above the Moon, the equivalent of 216,075 n mi 00:21 GMT 15 April 1970 (08:21 p.m. EST, 14 April) at an altitude of 137 n mi."
~ from ‘APOLLO 13 – The Seventh Mission: The Third Lunar Landing Attempt', at NASA
ROBOTIC SPACECRAFT: VOYAGER 1 – 117.8436 AU
"As of August 2, 2011, Voyager 1 is about 117.8436 astronomical units (1.762915×1010 km) from the Sun. The magnitude of the Sun from Voyager 1 is ?16.4, or the dimmest as seen from any of the five space probes leaving the Solar System. Radio signals traveling at the speed of light between Voyager 1 and Earth take 16.12 hours to cross the distance between the two. (To compare, Proxima Centauri, the closest star to our Sun, is about 4.2 light-years distant or 2.65×105 AU.) Voyager 1's current relative velocity to the sun is 17,060 m/s (61,400 km/h; 38,200 mph). This calculates as 3.599 AU per year, about 10% faster than Voyager 2. At this velocity, 73,600 years would pass before reaching the nearest star, Proxima Centauri, were the spacecraft traveling in the direction of that star. Voyager 1 will need about 14,000 years at its current velocity to travel one light year, therefore 40,000 years will pass before coming anywhere near other stars or planets. Voyager 1 is predicted to enter the interstellar medium between 2012–15, though some scientists say it will be in 2014. Voyager 1 is still the farthest man made object in the universe from Earth."
~ from ‘Voyager 1 – Current status', at The People's Encyclopaedia
Hope that's broadened your understanding, and given you some pointers for further exploration,
Share and Enjoy, Peace-&-Love, Dalinian
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As humans, the moon. As for our artificial camera/satellite/robot devices ... I'm not sure. I know we had a rover on Mars, but we also have sent probes out both closer to the sun and farther.
The farthest humans have traveled is lunar-centric orbit on the far side of the moon, on Apollo 13 (the third spacecraft INTENDED to land humans on the moon, but it was an aborted mission).
400,171 kilometers (248,655 mi), in 1970