| Ulstein to Olympia Heights (Florida) | 4,536.25 mi (7,300.39 km) |
| Ulstein to Omaha (Nebraska) | 4,089.26 mi (6,581.04 km) |
| Ulstein to On Top of the World Designated Place (Florida) | 4,396.91 mi (7,076.14 km) |
| Ulstein to Onalaska (Wisconsin) | 3,802.85 mi (6,120.10 km) |
| Ulstein to Oneida (New York) | 3,391.04 mi (5,457.35 km) |
| Ulstein to Oneonta (New York) | 3,406.92 mi (5,482.91 km) |
| Ulstein to Ontario (California) | 5,078.90 mi (8,173.70 km) |
| Ulstein to Ontario (Oregon) | 4,437.74 mi (7,141.85 km) |
| Ulstein to Opa-locka (Florida) | 4,523.15 mi (7,279.31 km) |
| Ulstein to Opelika (Alabama) | 4,282.86 mi (6,892.60 km) |
| Ulstein to Opelousas (Louisiana) | 4,611.90 mi (7,422.14 km) |
| Ulstein to Orange (California) | 5,098.77 mi (8,205.68 km) |
| Ulstein to Orange (Texas) | 4,685.82 mi (7,541.09 km) |
| Ulstein to Orange City (Florida) | 4,375.76 mi (7,042.10 km) |
| Ulstein to Orangeburg (South Carolina) | 4,095.25 mi (6,590.67 km) |
