| Imatra to Olympia Heights (Florida) | 5,266.44 mi (8,475.52 km) |
| Imatra to Omaha (Nebraska) | 4,713.91 mi (7,586.31 km) |
| Imatra to On Top of the World Designated Place (Florida) | 5,115.95 mi (8,233.32 km) |
| Imatra to Onalaska (Wisconsin) | 4,441.85 mi (7,148.47 km) |
| Imatra to Oneida (New York) | 4,096.63 mi (6,592.89 km) |
| Imatra to Oneonta (New York) | 4,116.31 mi (6,624.57 km) |
| Imatra to Ontario (California) | 5,590.83 mi (8,997.57 km) |
| Imatra to Ontario (Oregon) | 4,918.59 mi (7,915.71 km) |
| Imatra to Opa-locka (Florida) | 5,253.28 mi (8,454.33 km) |
| Imatra to Opelika (Alabama) | 4,983.69 mi (8,020.47 km) |
| Imatra to Opelousas (Louisiana) | 5,291.05 mi (8,515.12 km) |
| Imatra to Orange (California) | 5,609.83 mi (9,028.14 km) |
| Imatra to Orange (Texas) | 5,358.42 mi (8,623.55 km) |
| Imatra to Orange City (Florida) | 5,098.04 mi (8,204.50 km) |
| Imatra to Orangeburg (South Carolina) | 4,809.49 mi (7,740.13 km) |
