| Zanesville to Olympia (Washington) | 2,081.43 mi (3,349.74 km) |
| Zanesville to Olympia Heights (Florida) | 988.11 mi (1,590.20 km) |
| Zanesville to Omaha (Nebraska) | 741.11 mi (1,192.70 km) |
| Zanesville to On Top of the World Designated Place (Florida) | 749.87 mi (1,206.80 km) |
| Zanesville to Onalaska (Wisconsin) | 544.70 mi (876.61 km) |
| Zanesville to Oneida (New York) | 392.81 mi (632.17 km) |
| Zanesville to Oneonta (New York) | 400.07 mi (643.86 km) |
| Zanesville to Ontario (California) | 1,992.41 mi (3,206.48 km) |
| Zanesville to Ontario (Oregon) | 1,803.51 mi (2,902.46 km) |
| Zanesville to Opa-locka (Florida) | 976.51 mi (1,571.54 km) |
| Zanesville to Opelika (Alabama) | 537.61 mi (865.19 km) |
| Zanesville to Opelousas (Louisiana) | 863.34 mi (1,389.40 km) |
| Zanesville to Orange (California) | 2,010.05 mi (3,234.87 km) |
| Zanesville to Orange (Texas) | 948.74 mi (1,526.85 km) |
| Zanesville to Orange City (Florida) | 762.64 mi (1,227.35 km) |
