| East Niles to Oswego (Illinois) | 1,700.01 mi (2,735.90 km) |
| East Niles to Oswego (New York) | 2,306.03 mi (3,711.20 km) |
| East Niles to Otsego (Minnesota) | 1,489.40 mi (2,396.96 km) |
| East Niles to Ottawa (Illinois) | 1,672.98 mi (2,692.41 km) |
| East Niles to Ottawa (Kansas) | 1,320.93 mi (2,125.82 km) |
| East Niles to Ottumwa (Iowa) | 1,484.83 mi (2,389.60 km) |
| East Niles to Overland (Missouri) | 1,585.09 mi (2,550.96 km) |
| East Niles to Overland Park (Kansas) | 1,352.86 mi (2,177.22 km) |
| East Niles to Overlea (Maryland) | 2,323.53 mi (3,739.37 km) |
| East Niles to Oviedo (Florida) | 2,244.81 mi (3,612.68 km) |
| East Niles to Owasso (Oklahoma) | 1,292.06 mi (2,079.37 km) |
| East Niles to Owatonna (Minnesota) | 1,484.24 mi (2,388.66 km) |
| East Niles to Owensboro (Kentucky) | 1,764.27 mi (2,839.32 km) |
| East Niles to Owings Mills (Maryland) | 2,308.63 mi (3,715.38 km) |
| East Niles to Owosso (Michigan) | 1,918.94 mi (3,088.24 km) |
