| Heide to Olympia Heights (Florida) | 4,772.23 mi (7,680.16 km) |
| Heide to Omaha (Nebraska) | 4,502.58 mi (7,246.20 km) |
| Heide to On Top of the World Designated Place (Florida) | 4,665.90 mi (7,509.04 km) |
| Heide to Onalaska (Wisconsin) | 4,205.43 mi (6,767.98 km) |
| Heide to Oneida (New York) | 3,705.60 mi (5,963.59 km) |
| Heide to Oneonta (New York) | 3,713.47 mi (5,976.25 km) |
| Heide to Ontario (California) | 5,565.13 mi (8,956.22 km) |
| Heide to Ontario (Oregon) | 4,945.65 mi (7,959.26 km) |
| Heide to Opa-locka (Florida) | 4,759.51 mi (7,659.69 km) |
| Heide to Opelika (Alabama) | 4,592.33 mi (7,390.64 km) |
| Heide to Opelousas (Louisiana) | 4,952.84 mi (7,970.82 km) |
| Heide to Orange (California) | 5,585.32 mi (8,988.70 km) |
| Heide to Orange (Texas) | 5,035.23 mi (8,103.42 km) |
| Heide to Orange City (Florida) | 4,636.79 mi (7,462.20 km) |
| Heide to Orangeburg (South Carolina) | 4,379.95 mi (7,048.85 km) |
