| Ammon to Orangevale (California) | 584.38 mi (940.46 km) |
| Ammon to Orchards (Washington) | 541.91 mi (872.12 km) |
| Ammon to Orcutt (California) | 746.88 mi (1,201.99 km) |
| Ammon to Oregon (Ohio) | 1,449.92 mi (2,333.42 km) |
| Ammon to Oregon (Wisconsin) | 1,133.81 mi (1,824.69 km) |
| Ammon to Oregon City (Oregon) | 540.13 mi (869.26 km) |
| Ammon to Orem (Utah) | 219.87 mi (353.84 km) |
| Ammon to Orinda (California) | 659.72 mi (1,061.71 km) |
| Ammon to Orland Park (Illinois) | 1,229.04 mi (1,977.95 km) |
| Ammon to Orlando (Florida) | 1,984.21 mi (3,193.28 km) |
| Ammon to Ormond Beach (Florida) | 1,959.52 mi (3,153.54 km) |
| Ammon to Oro Valley (Arizona) | 765.58 mi (1,232.09 km) |
| Ammon to Oroville (California) | 567.50 mi (913.30 km) |
| Ammon to Oshkosh (Wisconsin) | 1,164.37 mi (1,873.87 km) |
| Ammon to Oskaloosa (Iowa) | 994.98 mi (1,601.26 km) |
