| Knic to Oswego (Illinois) | 5,071.67 mi (8,162.07 km) |
| Knic to Oswego (New York) | 4,540.24 mi (7,306.81 km) |
| Knic to Otsego (Minnesota) | 5,079.26 mi (8,174.27 km) |
| Knic to Ottawa (Illinois) | 5,105.58 mi (8,216.64 km) |
| Knic to Ottawa (Kansas) | 5,477.31 mi (8,814.88 km) |
| Knic to Ottumwa (Iowa) | 5,252.05 mi (8,452.35 km) |
| Knic to Overland (Missouri) | 5,294.04 mi (8,519.93 km) |
| Knic to Overland Park (Kansas) | 5,441.87 mi (8,757.84 km) |
| Knic to Overlea (Maryland) | 4,718.88 mi (7,594.31 km) |
| Knic to Oviedo (Florida) | 5,412.15 mi (8,710.01 km) |
| Knic to Owasso (Oklahoma) | 5,618.35 mi (9,041.86 km) |
| Knic to Owatonna (Minnesota) | 5,125.37 mi (8,248.48 km) |
| Knic to Owensboro (Kentucky) | 5,216.90 mi (8,395.78 km) |
| Knic to Owings Mills (Maryland) | 4,728.03 mi (7,609.03 km) |
| Knic to Owosso (Michigan) | 4,855.17 mi (7,813.64 km) |
