| Prattville to Olympia (Washington) | 2,155.65 mi (3,469.18 km) |
| Prattville to Olympia Heights (Florida) | 593.90 mi (955.80 km) |
| Prattville to Omaha (Nebraska) | 805.98 mi (1,297.09 km) |
| Prattville to On Top of the World Designated Place (Florida) | 339.04 mi (545.63 km) |
| Prattville to Onalaska (Wisconsin) | 830.34 mi (1,336.30 km) |
| Prattville to Oneida (New York) | 939.46 mi (1,511.92 km) |
| Prattville to Oneonta (New York) | 929.54 mi (1,495.94 km) |
| Prattville to Ontario (California) | 1,796.25 mi (2,890.79 km) |
| Prattville to Ontario (Oregon) | 1,824.66 mi (2,936.51 km) |
| Prattville to Opa-locka (Florida) | 587.45 mi (945.41 km) |
| Prattville to Opelika (Alabama) | 64.44 mi (103.70 km) |
| Prattville to Opelousas (Louisiana) | 357.24 mi (574.92 km) |
| Prattville to Orange (California) | 1,810.13 mi (2,913.12 km) |
| Prattville to Orange (Texas) | 460.32 mi (740.82 km) |
| Prattville to Orange City (Florida) | 391.86 mi (630.64 km) |
