| Echternach to Odessa (Texas) | 5,311.14 mi (8,547.45 km) |
| Echternach to Ogden (Utah) | 5,124.94 mi (8,247.80 km) |
| Echternach to Oildale (California) | 5,670.89 mi (9,126.41 km) |
| Echternach to Ojus (Florida) | 4,722.47 mi (7,600.08 km) |
| Echternach to Okemos (Michigan) | 4,094.17 mi (6,588.92 km) |
| Echternach to Oklahoma City (Oklahoma) | 4,942.72 mi (7,954.54 km) |
| Echternach to Okmulgee (Oklahoma) | 4,878.92 mi (7,851.86 km) |
| Echternach to Olathe (Kansas) | 4,668.36 mi (7,513.00 km) |
| Echternach to Old Jamestown (Missouri) | 4,500.79 mi (7,243.32 km) |
| Echternach to Oldsmar (Florida) | 4,725.37 mi (7,604.75 km) |
| Echternach to Olean (New York) | 3,889.51 mi (6,259.56 km) |
| Echternach to Olive Branch (Mississippi) | 4,675.29 mi (7,524.15 km) |
| Echternach to Olivehurst (California) | 5,528.76 mi (8,897.68 km) |
| Echternach to Olney (Maryland) | 3,964.95 mi (6,380.98 km) |
| Echternach to Olympia (Washington) | 5,093.09 mi (8,196.53 km) |
