| New Lenox to Oswego (Illinois) | 22.44 mi (36.12 km) |
| New Lenox to Oswego (New York) | 599.14 mi (964.22 km) |
| New Lenox to Otsego (Minnesota) | 384.33 mi (618.51 km) |
| New Lenox to Ottawa (Illinois) | 45.59 mi (73.37 km) |
| New Lenox to Ottawa (Kansas) | 434.76 mi (699.68 km) |
| New Lenox to Ottumwa (Iowa) | 233.47 mi (375.73 km) |
| New Lenox to Overland (Missouri) | 232.01 mi (373.39 km) |
| New Lenox to Overland Park (Kansas) | 397.94 mi (640.42 km) |
| New Lenox to Overlea (Maryland) | 619.74 mi (997.37 km) |
| New Lenox to Oviedo (Florida) | 966.41 mi (1,555.29 km) |
| New Lenox to Owasso (Oklahoma) | 555.30 mi (893.67 km) |
| New Lenox to Owatonna (Minnesota) | 320.76 mi (516.21 km) |
| New Lenox to Owensboro (Kentucky) | 263.18 mi (423.54 km) |
| New Lenox to Owings Mills (Maryland) | 604.81 mi (973.35 km) |
| New Lenox to Owosso (Michigan) | 219.51 mi (353.26 km) |
