| Norman to Oswego (Illinois) | 659.78 mi (1,061.82 km) |
| Norman to Oswego (New York) | 1,245.51 mi (2,004.45 km) |
| Norman to Otsego (Minnesota) | 720.28 mi (1,159.18 km) |
| Norman to Ottawa (Illinois) | 625.85 mi (1,007.21 km) |
| Norman to Ottawa (Kansas) | 259.47 mi (417.58 km) |
| Norman to Ottumwa (Iowa) | 481.03 mi (774.14 km) |
| Norman to Overland (Missouri) | 453.29 mi (729.50 km) |
| Norman to Overland Park (Kansas) | 291.91 mi (469.79 km) |
| Norman to Overlea (Maryland) | 1,176.96 mi (1,894.14 km) |
| Norman to Oviedo (Florida) | 1,048.92 mi (1,688.08 km) |
| Norman to Owasso (Oklahoma) | 111.94 mi (180.15 km) |
| Norman to Owatonna (Minnesota) | 649.75 mi (1,045.68 km) |
| Norman to Owensboro (Kentucky) | 594.00 mi (955.95 km) |
| Norman to Owings Mills (Maryland) | 1,162.91 mi (1,871.53 km) |
| Norman to Owosso (Michigan) | 884.88 mi (1,424.08 km) |
