| Osterhofen to Olympia Heights (Florida) | 5,048.45 mi (8,124.70 km) |
| Osterhofen to Omaha (Nebraska) | 4,872.91 mi (7,842.19 km) |
| Osterhofen to On Top of the World Designated Place (Florida) | 4,961.82 mi (7,985.28 km) |
| Osterhofen to Onalaska (Wisconsin) | 4,572.30 mi (7,358.40 km) |
| Osterhofen to Oneida (New York) | 4,034.06 mi (6,492.19 km) |
| Osterhofen to Oneonta (New York) | 4,037.84 mi (6,498.27 km) |
| Osterhofen to Ontario (California) | 5,963.09 mi (9,596.67 km) |
| Osterhofen to Ontario (Oregon) | 5,351.94 mi (8,613.11 km) |
| Osterhofen to Opa-locka (Florida) | 5,036.07 mi (8,104.77 km) |
| Osterhofen to Opelika (Alabama) | 4,910.89 mi (7,903.32 km) |
| Osterhofen to Opelousas (Louisiana) | 5,285.51 mi (8,506.20 km) |
| Osterhofen to Orange (California) | 5,983.36 mi (9,629.29 km) |
| Osterhofen to Orange (Texas) | 5,371.81 mi (8,645.10 km) |
| Osterhofen to Orange City (Florida) | 4,928.52 mi (7,931.69 km) |
| Osterhofen to Orangeburg (South Carolina) | 4,686.96 mi (7,542.93 km) |
