| Altenstadt to Olympia Heights (Florida) | 4,840.52 mi (7,790.06 km) |
| Altenstadt to Omaha (Nebraska) | 4,662.32 mi (7,503.28 km) |
| Altenstadt to On Top of the World Designated Place (Florida) | 4,751.27 mi (7,646.44 km) |
| Altenstadt to Onalaska (Wisconsin) | 4,361.24 mi (7,018.74 km) |
| Altenstadt to Oneida (New York) | 3,821.06 mi (6,149.40 km) |
| Altenstadt to Oneonta (New York) | 3,824.96 mi (6,155.67 km) |
| Altenstadt to Ontario (California) | 5,761.08 mi (9,271.57 km) |
| Altenstadt to Ontario (Oregon) | 5,156.33 mi (8,298.32 km) |
| Altenstadt to Opa-locka (Florida) | 4,828.08 mi (7,770.04 km) |
| Altenstadt to Opelika (Alabama) | 4,698.38 mi (7,561.32 km) |
| Altenstadt to Opelousas (Louisiana) | 5,072.49 mi (8,163.38 km) |
| Altenstadt to Orange (California) | 5,781.39 mi (9,304.25 km) |
| Altenstadt to Orange (Texas) | 5,158.75 mi (8,302.20 km) |
| Altenstadt to Orange City (Florida) | 4,718.45 mi (7,593.61 km) |
| Altenstadt to Orangeburg (South Carolina) | 4,475.24 mi (7,202.20 km) |
