| Newark to Oswego (Illinois) | 738.47 mi (1,188.45 km) |
| Newark to Oswego (New York) | 223.03 mi (358.93 km) |
| Newark to Otsego (Minnesota) | 1,028.69 mi (1,655.51 km) |
| Newark to Ottawa (Illinois) | 763.99 mi (1,229.52 km) |
| Newark to Ottawa (Kansas) | 1,128.62 mi (1,816.34 km) |
| Newark to Ottumwa (Iowa) | 951.78 mi (1,531.74 km) |
| Newark to Overland (Missouri) | 870.91 mi (1,401.59 km) |
| Newark to Overland Park (Kansas) | 1,093.73 mi (1,760.20 km) |
| Newark to Overlea (Maryland) | 155.61 mi (250.44 km) |
| Newark to Oviedo (Florida) | 923.25 mi (1,485.83 km) |
| Newark to Owasso (Oklahoma) | 1,207.04 mi (1,942.55 km) |
| Newark to Owatonna (Minnesota) | 997.27 mi (1,604.94 km) |
| Newark to Owensboro (Kentucky) | 721.61 mi (1,161.31 km) |
| Newark to Owings Mills (Maryland) | 165.53 mi (266.40 km) |
| Newark to Owosso (Michigan) | 537.77 mi (865.45 km) |
