| Grevenmacher to Odessa (Texas) | 5,316.99 mi (8,556.86 km) |
| Grevenmacher to Ogden (Utah) | 5,132.14 mi (8,259.37 km) |
| Grevenmacher to Oildale (California) | 5,678.21 mi (9,138.20 km) |
| Grevenmacher to Ojus (Florida) | 4,725.69 mi (7,605.26 km) |
| Grevenmacher to Okemos (Michigan) | 4,099.63 mi (6,597.72 km) |
| Grevenmacher to Oklahoma City (Oklahoma) | 4,948.47 mi (7,963.80 km) |
| Grevenmacher to Okmulgee (Oklahoma) | 4,884.57 mi (7,860.95 km) |
| Grevenmacher to Olathe (Kansas) | 4,674.21 mi (7,522.41 km) |
| Grevenmacher to Old Jamestown (Missouri) | 4,506.29 mi (7,252.17 km) |
| Grevenmacher to Oldsmar (Florida) | 4,729.08 mi (7,610.71 km) |
| Grevenmacher to Olean (New York) | 3,894.46 mi (6,267.53 km) |
| Grevenmacher to Olive Branch (Mississippi) | 4,680.37 mi (7,532.33 km) |
| Grevenmacher to Olivehurst (California) | 5,536.42 mi (8,910.00 km) |
| Grevenmacher to Olney (Maryland) | 3,969.44 mi (6,388.19 km) |
| Grevenmacher to Olympia (Washington) | 5,101.15 mi (8,209.50 km) |
