| Hyvinkaa to Olympia Heights (Florida) | 5,166.86 mi (8,315.25 km) |
| Hyvinkaa to Omaha (Nebraska) | 4,651.97 mi (7,486.62 km) |
| Hyvinkaa to On Top of the World Designated Place (Florida) | 5,021.87 mi (8,081.91 km) |
| Hyvinkaa to Onalaska (Wisconsin) | 4,375.37 mi (7,041.48 km) |
| Hyvinkaa to Oneida (New York) | 4,007.67 mi (6,449.73 km) |
| Hyvinkaa to Oneonta (New York) | 4,025.86 mi (6,478.99 km) |
| Hyvinkaa to Ontario (California) | 5,559.69 mi (8,947.46 km) |
| Hyvinkaa to Ontario (Oregon) | 4,893.43 mi (7,875.22 km) |
| Hyvinkaa to Opa-locka (Florida) | 5,153.72 mi (8,294.12 km) |
| Hyvinkaa to Opelika (Alabama) | 4,897.19 mi (7,881.26 km) |
| Hyvinkaa to Opelousas (Louisiana) | 5,212.70 mi (8,389.04 km) |
| Hyvinkaa to Orange (California) | 5,578.94 mi (8,978.43 km) |
| Hyvinkaa to Orange (Texas) | 5,282.37 mi (8,501.16 km) |
| Hyvinkaa to Orange City (Florida) | 5,002.43 mi (8,050.64 km) |
| Hyvinkaa to Orangeburg (South Carolina) | 4,717.41 mi (7,591.94 km) |
