| Amherst to Orangevale (California) | 2,053.44 mi (3,304.69 km) |
| Amherst to Orchards (Washington) | 2,018.15 mi (3,247.90 km) |
| Amherst to Orcutt (California) | 2,106.22 mi (3,389.64 km) |
| Amherst to Oregon (Ohio) | 64.52 mi (103.84 km) |
| Amherst to Oregon (Wisconsin) | 381.30 mi (613.64 km) |
| Amherst to Oregon City (Oregon) | 2,023.85 mi (3,257.07 km) |
| Amherst to Orem (Utah) | 1,534.62 mi (2,469.74 km) |
| Amherst to Orinda (California) | 2,120.46 mi (3,412.56 km) |
| Amherst to Orland Park (Illinois) | 291.69 mi (469.44 km) |
| Amherst to Orlando (Florida) | 894.44 mi (1,439.46 km) |
| Amherst to Ormond Beach (Florida) | 838.68 mi (1,349.72 km) |
| Amherst to Oro Valley (Arizona) | 1,695.23 mi (2,728.21 km) |
| Amherst to Oroville (California) | 2,054.41 mi (3,306.25 km) |
| Amherst to Oshkosh (Wisconsin) | 368.77 mi (593.48 km) |
| Amherst to Oskaloosa (Iowa) | 539.70 mi (868.56 km) |
