| Ozark to Olympia (Washington) | 1,659.43 mi (2,670.59 km) |
| Ozark to Olympia Heights (Florida) | 1,087.77 mi (1,750.60 km) |
| Ozark to Omaha (Nebraska) | 329.15 mi (529.72 km) |
| Ozark to On Top of the World Designated Place (Florida) | 835.99 mi (1,345.39 km) |
| Ozark to Onalaska (Wisconsin) | 485.00 mi (780.53 km) |
| Ozark to Oneida (New York) | 1,015.21 mi (1,633.82 km) |
| Ozark to Oneonta (New York) | 1,031.74 mi (1,660.42 km) |
| Ozark to Ontario (California) | 1,382.98 mi (2,225.69 km) |
| Ozark to Ontario (Oregon) | 1,332.08 mi (2,143.78 km) |
| Ozark to Opa-locka (Florida) | 1,082.08 mi (1,741.44 km) |
| Ozark to Opelika (Alabama) | 537.23 mi (864.59 km) |
| Ozark to Opelousas (Louisiana) | 454.57 mi (731.55 km) |
| Ozark to Orange (California) | 1,399.32 mi (2,251.99 km) |
| Ozark to Orange (Texas) | 478.73 mi (770.44 km) |
| Ozark to Orange City (Florida) | 888.20 mi (1,429.42 km) |
