| Heemskerk to Olympia Heights (Florida) | 4,623.15 mi (7,440.24 km) |
| Heemskerk to Omaha (Nebraska) | 4,422.46 mi (7,117.26 km) |
| Heemskerk to On Top of the World Designated Place (Florida) | 4,527.53 mi (7,286.36 km) |
| Heemskerk to Onalaska (Wisconsin) | 4,121.63 mi (6,633.12 km) |
| Heemskerk to Oneida (New York) | 3,587.95 mi (5,774.25 km) |
| Heemskerk to Oneonta (New York) | 3,592.84 mi (5,782.11 km) |
| Heemskerk to Ontario (California) | 5,522.29 mi (8,887.27 km) |
| Heemskerk to Ontario (Oregon) | 4,920.79 mi (7,919.25 km) |
| Heemskerk to Opa-locka (Florida) | 4,610.59 mi (7,420.03 km) |
| Heemskerk to Opelika (Alabama) | 4,468.16 mi (7,190.81 km) |
| Heemskerk to Opelousas (Louisiana) | 4,838.93 mi (7,787.50 km) |
| Heemskerk to Orange (California) | 5,542.62 mi (8,919.98 km) |
| Heemskerk to Orange (Texas) | 4,924.34 mi (7,924.96 km) |
| Heemskerk to Orange City (Florida) | 4,495.99 mi (7,235.60 km) |
| Heemskerk to Orangeburg (South Carolina) | 4,248.09 mi (6,836.64 km) |
