How far is 685 miles?
How far is 685 miles? One useful starting point is the contiguous United States: this span represents about 23% of its reference width. The comparisons below pair the distance with recognizable cities, routes, waterways, and geographic features.
685-Mile Distance Comparisons
685 miles is about the same distance as the Kansas City to New Orleans.
On a map, Kansas City in the United States and New Orleans in the United States are separated by about 682 miles. The figure is calculated from the cities' geographic coordinates, so it describes map span rather than a driving itinerary. The difference is only 3 miles.
Source: GeoNames geographic coordinates
685 miles is about the same distance as the St. Louis to Houston.
On a map, St. Louis in the United States and Houston in the United States are separated by about 680 miles. The figure is calculated from the cities' geographic coordinates, so it describes map span rather than a driving itinerary. The difference is only 5 miles.
Source: GeoNames geographic coordinates
685 miles is about the same distance as the Minneapolis to Toronto.
On a map, Minneapolis in the United States and Toronto in Canada are separated by about 691 miles. The figure is calculated from the cities' geographic coordinates, so it describes map span rather than a driving itinerary. The difference is only 6 miles.
Source: GeoNames geographic coordinates
685 miles is about the same distance as the San Francisco to Seattle.
On a map, San Francisco in the United States and Seattle in the United States are separated by about 679 miles. The figure is calculated from the cities' geographic coordinates, so it describes map span rather than a driving itinerary. The difference is only 6 miles.
Source: GeoNames geographic coordinates
685 miles is approximately 69% of the 1,000-mile traditional Iditarod race route.
The sled-dog race crosses Alaska between the Anchorage area and Nome, with the exact course varying by year and conditions. That makes the comparison a little over 69% complete from end to end.
Source: Iditarod Trail Committee
685 miles is about 1.5 times the 444-mile Natchez Trace Parkway.
The parkway follows a historic travel corridor through Mississippi, Alabama, and Tennessee. Placed end to end, that reference would fit into this distance about 1.5 times.
Source: National Park Service
685 miles is about 1.9 times the 363-mile Erie Canal.
The historic New York waterway linked the Hudson River with the Great Lakes and transformed trade across the young United States. The larger distance is roughly 1.9 times the length of that reference.
Source: New York State Canal Corporation
685 miles is equivalent to driving 60 mph for 11 hours 25 minutes.
This calculation assumes a constant 60 mph with no stops, traffic, or delays. An actual road trip would normally take longer.
685 miles is approximately 1,102 kilometers.
Using the exact conversion of 1 mile to 1.609344 kilometers, the distance converts to 1,102.4 kilometers before rounding.
Reference measurements are rounded where appropriate. Route lengths can change as official alignments are updated.
