| Zonhoven to Olympia Heights (Florida) | 4,676.45 mi (7,526.03 km) |
| Zonhoven to Omaha (Nebraska) | 4,507.92 mi (7,254.79 km) |
| Zonhoven to On Top of the World Designated Place (Florida) | 4,587.21 mi (7,382.40 km) |
| Zonhoven to Onalaska (Wisconsin) | 4,206.04 mi (6,768.96 km) |
| Zonhoven to Oneida (New York) | 3,659.13 mi (5,888.79 km) |
| Zonhoven to Oneonta (New York) | 3,662.60 mi (5,894.39 km) |
| Zonhoven to Ontario (California) | 5,618.20 mi (9,041.61 km) |
| Zonhoven to Ontario (Oregon) | 5,021.11 mi (8,080.70 km) |
| Zonhoven to Opa-locka (Florida) | 4,664.01 mi (7,505.99 km) |
| Zonhoven to Opelika (Alabama) | 4,535.34 mi (7,298.92 km) |
| Zonhoven to Opelousas (Louisiana) | 4,910.65 mi (7,902.93 km) |
| Zonhoven to Orange (California) | 5,638.55 mi (9,074.36 km) |
| Zonhoven to Orange (Texas) | 4,997.35 mi (8,042.46 km) |
| Zonhoven to Orange City (Florida) | 4,554.32 mi (7,329.47 km) |
| Zonhoven to Orangeburg (South Carolina) | 4,311.55 mi (6,938.77 km) |
