| Heinola to Olympia Heights (Florida) | 5,185.30 mi (8,344.94 km) |
| Heinola to Omaha (Nebraska) | 4,651.41 mi (7,485.72 km) |
| Heinola to On Top of the World Designated Place (Florida) | 5,037.27 mi (8,106.70 km) |
| Heinola to Onalaska (Wisconsin) | 4,376.88 mi (7,043.90 km) |
| Heinola to Oneida (New York) | 4,020.24 mi (6,469.96 km) |
| Heinola to Oneonta (New York) | 4,039.22 mi (6,500.50 km) |
| Heinola to Ontario (California) | 5,545.98 mi (8,925.40 km) |
| Heinola to Ontario (Oregon) | 4,877.22 mi (7,849.13 km) |
| Heinola to Opa-locka (Florida) | 5,172.15 mi (8,323.77 km) |
| Heinola to Opelika (Alabama) | 4,908.57 mi (7,899.58 km) |
| Heinola to Opelousas (Louisiana) | 5,220.01 mi (8,400.79 km) |
| Heinola to Orange (California) | 5,565.13 mi (8,956.21 km) |
| Heinola to Orange (Texas) | 5,288.56 mi (8,511.11 km) |
| Heinola to Orange City (Florida) | 5,018.66 mi (8,076.76 km) |
| Heinola to Orangeburg (South Carolina) | 4,731.71 mi (7,614.95 km) |
