| Ammon to Oswego (Illinois) | 1,203.96 mi (1,937.59 km) |
| Ammon to Oswego (New York) | 1,764.44 mi (2,839.59 km) |
| Ammon to Otsego (Minnesota) | 912.05 mi (1,467.81 km) |
| Ammon to Ottawa (Illinois) | 1,185.07 mi (1,907.18 km) |
| Ammon to Ottawa (Kansas) | 930.87 mi (1,498.08 km) |
| Ammon to Ottumwa (Iowa) | 1,011.17 mi (1,627.33 km) |
| Ammon to Overland (Missouri) | 1,167.91 mi (1,879.57 km) |
| Ammon to Overland Park (Kansas) | 950.22 mi (1,529.23 km) |
| Ammon to Overlea (Maryland) | 1,843.81 mi (2,967.32 km) |
| Ammon to Oviedo (Florida) | 1,983.27 mi (3,191.76 km) |
| Ammon to Owasso (Oklahoma) | 986.21 mi (1,587.16 km) |
| Ammon to Owatonna (Minnesota) | 933.05 mi (1,501.59 km) |
| Ammon to Owensboro (Kentucky) | 1,355.51 mi (2,181.48 km) |
| Ammon to Owings Mills (Maryland) | 1,828.96 mi (2,943.43 km) |
| Ammon to Owosso (Michigan) | 1,392.31 mi (2,240.70 km) |
