| Zvolen to Olympia Heights (Florida) | 5,309.87 mi (8,545.41 km) |
| Zvolen to Omaha (Nebraska) | 5,082.81 mi (8,179.99 km) |
| Zvolen to On Top of the World Designated Place (Florida) | 5,216.49 mi (8,395.13 km) |
| Zvolen to Onalaska (Wisconsin) | 4,785.35 mi (7,701.27 km) |
| Zvolen to Oneida (New York) | 4,273.31 mi (6,877.23 km) |
| Zvolen to Oneonta (New York) | 4,279.24 mi (6,886.77 km) |
| Zvolen to Ontario (California) | 6,137.29 mi (9,877.02 km) |
| Zvolen to Ontario (Oregon) | 5,508.78 mi (8,865.52 km) |
| Zvolen to Opa-locka (Florida) | 5,297.37 mi (8,525.30 km) |
| Zvolen to Opelika (Alabama) | 5,155.81 mi (8,297.47 km) |
| Zvolen to Opelousas (Louisiana) | 5,523.20 mi (8,888.74 km) |
| Zvolen to Orange (California) | 6,157.39 mi (9,909.37 km) |
| Zvolen to Orange (Texas) | 5,607.25 mi (9,024.00 km) |
| Zvolen to Orange City (Florida) | 5,184.71 mi (8,343.99 km) |
| Zvolen to Orangeburg (South Carolina) | 4,936.97 mi (7,945.29 km) |
