| Obernburg am Main to Odessa (Texas) | 5,408.97 mi (8,704.90 km) |
| Obernburg am Main to Ogden (Utah) | 5,205.54 mi (8,377.51 km) |
| Obernburg am Main to Oildale (California) | 5,749.15 mi (9,252.36 km) |
| Obernburg am Main to Ojus (Florida) | 4,838.45 mi (7,786.74 km) |
| Obernburg am Main to Okemos (Michigan) | 4,195.92 mi (6,752.68 km) |
| Obernburg am Main to Oklahoma City (Oklahoma) | 5,041.60 mi (8,113.67 km) |
| Obernburg am Main to Okmulgee (Oklahoma) | 4,978.86 mi (8,012.70 km) |
| Obernburg am Main to Olathe (Kansas) | 4,766.36 mi (7,670.71 km) |
| Obernburg am Main to Old Jamestown (Missouri) | 4,602.17 mi (7,406.48 km) |
| Obernburg am Main to Oldsmar (Florida) | 4,839.15 mi (7,787.86 km) |
| Obernburg am Main to Olean (New York) | 3,995.55 mi (6,430.22 km) |
| Obernburg am Main to Olive Branch (Mississippi) | 4,780.22 mi (7,693.02 km) |
| Obernburg am Main to Olivehurst (California) | 5,600.99 mi (9,013.92 km) |
| Obernburg am Main to Olney (Maryland) | 4,074.33 mi (6,557.01 km) |
| Obernburg am Main to Olympia (Washington) | 5,156.55 mi (8,298.67 km) |
