| Idil to Olympia Heights (Florida) | 6,689.61 mi (10,765.89 km) |
| Idil to Omaha (Nebraska) | 6,391.53 mi (10,286.17 km) |
| Idil to On Top of the World Designated Place (Florida) | 6,595.88 mi (10,615.04 km) |
| Idil to Onalaska (Wisconsin) | 6,103.63 mi (9,822.85 km) |
| Idil to Oneida (New York) | 5,639.90 mi (9,076.54 km) |
| Idil to Oneonta (New York) | 5,648.39 mi (9,090.21 km) |
| Idil to Ontario (California) | 7,331.83 mi (11,799.45 km) |
| Idil to Ontario (Oregon) | 6,661.40 mi (10,720.49 km) |
| Idil to Opa-locka (Florida) | 6,677.16 mi (10,745.84 km) |
| Idil to Opelika (Alabama) | 6,527.46 mi (10,504.93 km) |
| Idil to Opelousas (Louisiana) | 6,884.42 mi (11,079.40 km) |
| Idil to Orange (California) | 7,350.98 mi (11,830.25 km) |
| Idil to Orange (Texas) | 6,964.60 mi (11,208.44 km) |
| Idil to Orange City (Florida) | 6,564.63 mi (10,564.75 km) |
| Idil to Orangeburg (South Carolina) | 6,313.70 mi (10,160.91 km) |
