| Holland to Olympia Heights (Florida) | 1,221.89 mi (1,966.45 km) |
| Holland to Omaha (Nebraska) | 521.15 mi (838.70 km) |
| Holland to On Top of the World Designated Place (Florida) | 967.44 mi (1,556.95 km) |
| Holland to Onalaska (Wisconsin) | 268.15 mi (431.55 km) |
| Holland to Oneida (New York) | 528.12 mi (849.92 km) |
| Holland to Oneonta (New York) | 560.98 mi (902.82 km) |
| Holland to Ontario (California) | 1,796.99 mi (2,891.97 km) |
| Holland to Ontario (Oregon) | 1,543.54 mi (2,484.09 km) |
| Holland to Opa-locka (Florida) | 1,211.40 mi (1,949.56 km) |
| Holland to Opelika (Alabama) | 699.40 mi (1,125.57 km) |
| Holland to Opelousas (Louisiana) | 907.95 mi (1,461.20 km) |
| Holland to Orange (California) | 1,815.70 mi (2,922.09 km) |
| Holland to Orange (Texas) | 970.91 mi (1,562.53 km) |
| Holland to Orange City (Florida) | 992.54 mi (1,597.33 km) |
| Holland to Orangeburg (South Carolina) | 700.70 mi (1,127.67 km) |
