| Uden to Olympia Heights (Florida) | 4,676.10 mi (7,525.45 km) |
| Uden to Omaha (Nebraska) | 4,489.94 mi (7,225.86 km) |
| Uden to On Top of the World Designated Place (Florida) | 4,583.67 mi (7,376.70 km) |
| Uden to Onalaska (Wisconsin) | 4,188.70 mi (6,741.06 km) |
| Uden to Oneida (New York) | 3,649.44 mi (5,873.21 km) |
| Uden to Oneonta (New York) | 3,653.69 mi (5,880.04 km) |
| Uden to Ontario (California) | 5,593.16 mi (9,001.32 km) |
| Uden to Ontario (Oregon) | 4,992.60 mi (8,034.82 km) |
| Uden to Opa-locka (Florida) | 4,663.59 mi (7,505.33 km) |
| Uden to Opelika (Alabama) | 4,527.89 mi (7,286.93 km) |
| Uden to Opelousas (Louisiana) | 4,900.76 mi (7,887.01 km) |
| Uden to Orange (California) | 5,613.49 mi (9,034.04 km) |
| Uden to Orange (Texas) | 4,986.74 mi (8,025.39 km) |
| Uden to Orange City (Florida) | 4,551.46 mi (7,324.86 km) |
| Uden to Orangeburg (South Carolina) | 4,306.04 mi (6,929.90 km) |
