| Erlangen to Olympia Heights (Florida) | 4,942.96 mi (7,954.93 km) |
| Erlangen to Omaha (Nebraska) | 4,764.48 mi (7,667.69 km) |
| Erlangen to On Top of the World Designated Place (Florida) | 4,854.73 mi (7,812.93 km) |
| Erlangen to Onalaska (Wisconsin) | 4,463.70 mi (7,183.63 km) |
| Erlangen to Oneida (New York) | 3,925.17 mi (6,316.96 km) |
| Erlangen to Oneonta (New York) | 3,929.08 mi (6,323.25 km) |
| Erlangen to Ontario (California) | 5,858.35 mi (9,428.10 km) |
| Erlangen to Ontario (Oregon) | 5,250.09 mi (8,449.21 km) |
| Erlangen to Opa-locka (Florida) | 4,930.54 mi (7,934.94 km) |
| Erlangen to Opelika (Alabama) | 4,802.46 mi (7,728.81 km) |
| Erlangen to Opelousas (Louisiana) | 5,176.59 mi (8,330.92 km) |
| Erlangen to Orange (California) | 5,878.64 mi (9,460.75 km) |
| Erlangen to Orange (Texas) | 5,262.81 mi (8,469.68 km) |
| Erlangen to Orange City (Florida) | 4,821.72 mi (7,759.81 km) |
| Erlangen to Orangeburg (South Carolina) | 4,579.09 mi (7,369.33 km) |
