Secondary Highway 558, commonly referred to as Highway 558, is a secondary highway in the Canadian province of Ontario. Located in the Timiskaming District, the highway begins at the western city limits of Temiskaming Shores, three kilometres west of Highway 11 along Mowat Landing Road. It extends westerly for 16.8 kilometres (10.4 mi), passing through the community of Button's Corners and ending at the Montreal River in the community of Mowat Landing. Some cottages and a public boat launch are at the western terminus.

Secondary Highway 562, commonly referred to as Highway 562, is a secondary highway in the Canadian province of Ontario. Located in the Timiskaming District, the highway begins at an intersection with Highway 65 at McCool. It extends northerly for 3 kilometres (1.9 mi), and then turns easterly for 12 kilometres (7.5 mi), ending at a junction with Highway 11 just outside Thornloe.

Highway 564 is a short secondary highway, which extends from Highway 112 near Tarzwell easterly for seven kilometres to the community of Boston Creek.

Highway 566, a westerly continuation of the primary Highway 66, extends from the Montreal River at Matachewan for 25.9 kilometres to Ashley Mine.

At Ashley Mine the roadway, although no longer designated as a provincial highway, continues for another approximately 40 kilometres (20 mi), ending at an intersection with a north–south road that extends from Highway 560 into the urban core of Timmins.

Secondary Highway 567, commonly referred to as Highway 567, is a secondary highway in the Canadian province of Ontario, located within Timiskaming District. Commencing at a junction with King Street in the community of North Cobalt, the highway extends southerly for 34.5 kilometres (21.4 mi) to the Lower Notch power dam at the mouth of the Montreal River .

Secondary Highway 568, commonly referred to as Highway 568, is a secondary highway the Unorganized West Part of Timiskaming District in northwestern Ontario, Canada.^[2] Commencing at a junction with Ontario Highway 11 in the community of Kenogami Lake,^[1] the highway extends east for 2.4 kilometres (1.5 mi) to the crossing with the Ontario Northland Railway main line at Kenogami Lake Station.

Secondary Highway 569, commonly referred to as Highway 569, is a secondary highway in the Canadian province of Ontario. Located within Timiskaming District, the highway spans a distance of 28.3 kilometres (17.6 mi). Commencing at a junction with Highway 11 in the township of Harley, it travels northerly for 19 kilometres (12 mi) through the communities of Couttsville and Hilliardton, then travels west for 9 kilometres (5.6 mi) through the communities of Tomstown and Heaslip to another junction with Highway 11 and Highway 624 in the township of Evanturel southeast of Englehart.

Secondary Highway 570, commonly referred to as Highway 570, is a secondary highway in the Canadian province of Ontario. Located in Timiskaming District near the continental divide between the Atlantic and Arctic oceans, the highway extends from a junction with Highway 11 north of Kenogami Lake east for 4.4 kilometres (2.7 mi) to the community of Sesekinika.

Secondary Highway 571, commonly referred to as Highway 571, is a secondary highway in the Canadian province of Ontario. Located in Timiskaming District, the highway extends from a junction near the midpoint of Highway 562 northerly for 5.8 kilometres (3.6 mi) to a junction with Highway 11 at Earlton.

Secondary Highway 573, commonly referred to as Highway 573, is a secondary highway in the Canadian province of Ontario. Its total length is approximately 19.3 kilometres (12.0 mi). Its northern terminus is Highway 11, and its southern terminus is at Highway 560 in Charlton.

Secondary Highway 624, commonly referred to as Highway 624, is a secondary highway in the Canadian province of Ontario. Located within Timiskaming District, the highway spans a distance of 41.8 kilometres (26.0 mi) from a junction with Highway 11 and Highway 569 in the township of Evanturel to a junction with Highway 66 in Larder Lake, passing through the community of Marter about 10 kilometres (6 mi) north of the south end. Another Highway 624 existed in the mid-to-late 1950s west of Timmins, connecting Highway 616 with Foleyet; Highway 101 eventually assumed this route. The current Highway 624 was assumed on September 15, 1960.^[3]

Secondary Highway 640, commonly referred to as Highway 640, was a secondary highway in the Canadian province of Ontario, which extended for three kilometres from a junction with Highway 571 in Earlton to the Earlton-Timiskaming Regional Airport. It was two lanes wide and paved in its entirety.^[4]

Secondary Highway 650, commonly referred to as Highway 650, is a provincially maintained highway in the Canadian province of Ontario. The highway is 7.6 kilometres (4.7 mi) in length, connecting Highway 112 in Dane with the now abandoned Adams Mine site. The route was designated in 1964, shortly after the mine opened. It is sparsely travelled, but paved throughout its length.