Question: Thomas Seller Wallace was shot in the chest by one of the fugitives in the incident on the outskirts of this town located how far west of Calgary?

Context paragraphs:
Dafni, Kozani: Dafni, part of the municipal unit of Tsotyli, is a small town located in the far west of the Kozani regional unit, itself in the Greek region of Macedonia.

Division of Bonython: The Division of Bonython was an Australian Electoral Division in South Australia between 1955 and 2004.  At the time of its abolition it was based on the outer northern suburbs of Elizabeth, Munno Para, Parafield, Paralowie, Salisbury, Virginia, and to the town of One Tree Hill in Adelaide's outskirts.  Bonython's first 14 years saw vast boundaries simultaneously cover as far north as Gawler, as far south as Magill Road at Norwood, and as far west as Ottoway.  The seat would continue to cross south of Grand Junction Road until the creation of the Division of Makin at the pre-1984 redistribution.

WGR: WGR, or WGR Sports Radio 550, is an all sports radio station in Buffalo, New York that broadcasts on 550 AM.  It is the flagship station of the Buffalo Bills and Buffalo Sabres, carrying a mostly locally originated sports talk and play-by-play lineup.  Its studios are located in Amherst, New York, and transmitter in suburban Hamburg, New York.  Although it has a power of 5,000 watts, during the day its signal can be heard as far north as Barrie, Peterborough and Kingston, Ontario, as far west as Windsor, Ontario, as far east as Syracuse, and as far south as Sandusky, OH and Youngstown, Ohio.  At night its signal can be heard as far north as Sudbury, Barrie and Peterborough, Ontario, as far west as Guelph, Kitchener and Waterloo, Ontario, as far east as Batavia, and as far south as Jamestown and Olean.  In nearby Erie, Pennsylvania the station has a city-grade signal, primarily in Erie's eastern suburbs.  Under ownership of Entercom, its studios are located on Corporate Parkway in Amherst, New York.

Merriwa, New South Wales: Merriwa is a town located in the Upper Hunter Shire, in the far west of the Hunter region of New South Wales, Australia.

Thomas Seller Wallace: Thomas Seller Wallace, MM (1896 – October 8, 1935) was a British-born Canadian police officer who was killed in the 1935 Royal Canadian Mounted Police Killings.  On 8 October 1935, Wallace was shot in the chest by one of the fugitives in the incident on the outskirts of Banff, Alberta, succumbing to his wounds later that day.  He had previously earned a distinguished service record in the British Army during World War I.  He emigrated to Canada and joined the Alberta Provincial Police after the war in 1921, before it was amalgamated with the Royal Canadian Mounted Police by 1932 and had been a law enforcement officer in Alberta for 14 years before his death.

Camp Far West Reservoir: Camp Far West Reservoir (also known as Camp Far West Lake) is a small reservoir in the foothills of Northern California located approximately 8 miles east of Wheatland, California and 45 miles northeast of Sacramento.  The lake also forms the meeting point of three California counties, Placer, Nevada and Yuba Bear River and Rock Creek, near what was formerly the confluence of the two streams.  The dam was constructed in 1963 as part of the California State Water Project to control flooding in the Central Valley (California), and to provide hydroelectric power to the surrounding area.  The facility is owned and operated by the South Sutter Water District.

City of Broken Hill: The City of Broken Hill is a local government area in the Far West region of New South Wales, Australia.  The area contains an isolated mining city, Broken Hill, located in the outback of New South Wales and is surrounded by the Unincorporated Far West Region.  The City is located adjacent to the Silver City and Barrier Highways and the Broken Hill railway line.

Godech: Godech (Bulgarian: Годеч ) is a small town located in the Sofia Province, of Bulgaria.  The town is founded in a valley on the far west of Stara Planina, where the Nishava River passes.  The settlement is about 20 km east of the Serbian border and has its highest peak Kom (2016 m) to the north.  Godech is officially a town with 4,663 inhabitants (as of 2006).  It is the administrative center of the Godech municipality.

Banff, Alberta: Banff (/ˈbæɱf/ or ) is a town within Banff National Park in Alberta, Canada.  It is located in Alberta's Rockies along the Trans-Canada Highway, approximately 126 km west of Calgary and 58 km east of Lake Louise.  At an elevation of 1400 m to 1630 m , Banff is the community with the second highest elevation in Alberta after Lake Louise.

CKMX: CKMX is a Canadian radio station, broadcasting at 1060 AM in Calgary, Alberta owned by Bell Media.  The station broadcasts a comedy format branded on-air as Funny 1060AM.  CKMX's studios are located on Centre Street in Eau Claire, while its transmitters are located near Southeast Calgary.  At night it can be heard as far west as Snohomish, Washington.

Supporting paragraphs: Thomas Seller Wallace Banff, Alberta
Answer: 126 km