| Elk to Oswego (Illinois) | 4,671.18 mi (7,517.55 km) |
| Elk to Oswego (New York) | 4,195.21 mi (6,751.53 km) |
| Elk to Otsego (Minnesota) | 4,626.40 mi (7,445.47 km) |
| Elk to Ottawa (Illinois) | 4,704.44 mi (7,571.07 km) |
| Elk to Ottawa (Kansas) | 5,055.03 mi (8,135.29 km) |
| Elk to Ottumwa (Iowa) | 4,832.04 mi (7,776.41 km) |
| Elk to Overland (Missouri) | 4,901.20 mi (7,887.73 km) |
| Elk to Overland Park (Kansas) | 5,021.39 mi (8,081.14 km) |
| Elk to Overlea (Maryland) | 4,408.16 mi (7,094.24 km) |
| Elk to Oviedo (Florida) | 5,153.56 mi (8,293.85 km) |
| Elk to Owasso (Oklahoma) | 5,206.14 mi (8,378.47 km) |
| Elk to Owatonna (Minnesota) | 4,681.76 mi (7,534.56 km) |
| Elk to Owensboro (Kentucky) | 4,850.83 mi (7,806.65 km) |
| Elk to Owings Mills (Maryland) | 4,415.17 mi (7,105.52 km) |
| Elk to Owosso (Michigan) | 4,469.50 mi (7,192.96 km) |
