| Morfelden-Walldorf to Odessa (Texas) | 5,382.39 mi (8,662.11 km) |
| Morfelden-Walldorf to Ogden (Utah) | 5,180.73 mi (8,337.58 km) |
| Morfelden-Walldorf to Oildale (California) | 5,724.64 mi (9,212.92 km) |
| Morfelden-Walldorf to Ojus (Florida) | 4,811.50 mi (7,743.35 km) |
| Morfelden-Walldorf to Okemos (Michigan) | 4,169.05 mi (6,709.43 km) |
| Morfelden-Walldorf to Oklahoma City (Oklahoma) | 5,014.93 mi (8,070.75 km) |
| Morfelden-Walldorf to Okmulgee (Oklahoma) | 4,952.11 mi (7,969.65 km) |
| Morfelden-Walldorf to Olathe (Kansas) | 4,739.75 mi (7,627.90 km) |
| Morfelden-Walldorf to Old Jamestown (Missouri) | 4,575.32 mi (7,363.27 km) |
| Morfelden-Walldorf to Oldsmar (Florida) | 4,812.04 mi (7,744.23 km) |
| Morfelden-Walldorf to Olean (New York) | 3,968.46 mi (6,386.63 km) |
| Morfelden-Walldorf to Olive Branch (Mississippi) | 4,753.18 mi (7,649.51 km) |
| Morfelden-Walldorf to Olivehurst (California) | 5,577.27 mi (8,975.76 km) |
| Morfelden-Walldorf to Olney (Maryland) | 4,047.16 mi (6,513.28 km) |
| Morfelden-Walldorf to Olympia (Washington) | 5,134.06 mi (8,262.47 km) |
