| Iernut to Olympia Heights (Florida) | 5,588.52 mi (8,993.86 km) |
| Iernut to Omaha (Nebraska) | 5,353.06 mi (8,614.92 km) |
| Iernut to On Top of the World Designated Place (Florida) | 5,496.26 mi (8,845.37 km) |
| Iernut to Onalaska (Wisconsin) | 5,056.97 mi (8,138.41 km) |
| Iernut to Oneida (New York) | 4,552.28 mi (7,326.19 km) |
| Iernut to Oneonta (New York) | 4,558.51 mi (7,336.21 km) |
| Iernut to Ontario (California) | 6,389.32 mi (10,282.61 km) |
| Iernut to Ontario (Oregon) | 5,751.66 mi (9,256.40 km) |
| Iernut to Opa-locka (Florida) | 5,576.05 mi (8,973.79 km) |
| Iernut to Opelika (Alabama) | 5,435.40 mi (8,747.43 km) |
| Iernut to Opelousas (Louisiana) | 5,801.70 mi (9,336.94 km) |
| Iernut to Orange (California) | 6,409.29 mi (10,314.76 km) |
| Iernut to Orange (Texas) | 5,885.29 mi (9,471.45 km) |
| Iernut to Orange City (Florida) | 5,464.33 mi (8,793.99 km) |
| Iernut to Orangeburg (South Carolina) | 5,216.87 mi (8,395.73 km) |
