| Dudelange to Olympia Heights (Florida) | 4,732.95 mi (7,616.95 km) |
| Dudelange to Omaha (Nebraska) | 4,594.90 mi (7,394.78 km) |
| Dudelange to On Top of the World Designated Place (Florida) | 4,649.86 mi (7,483.22 km) |
| Dudelange to Onalaska (Wisconsin) | 4,292.15 mi (6,907.55 km) |
| Dudelange to Oneida (New York) | 3,733.20 mi (6,008.01 km) |
| Dudelange to Oneonta (New York) | 3,735.37 mi (6,011.49 km) |
| Dudelange to Ontario (California) | 5,714.60 mi (9,196.75 km) |
| Dudelange to Ontario (Oregon) | 5,121.64 mi (8,242.48 km) |
| Dudelange to Opa-locka (Florida) | 4,720.62 mi (7,597.11 km) |
| Dudelange to Opelika (Alabama) | 4,605.15 mi (7,411.27 km) |
| Dudelange to Opelousas (Louisiana) | 4,984.58 mi (8,021.90 km) |
| Dudelange to Orange (California) | 5,734.97 mi (9,229.54 km) |
| Dudelange to Orange (Texas) | 5,072.46 mi (8,163.33 km) |
| Dudelange to Orange City (Florida) | 4,615.70 mi (7,428.26 km) |
| Dudelange to Orangeburg (South Carolina) | 4,377.96 mi (7,045.65 km) |
