| Grossrohrsdorf to Olympia Heights (Florida) | 5,032.62 mi (8,099.22 km) |
| Grossrohrsdorf to Omaha (Nebraska) | 4,795.45 mi (7,717.53 km) |
| Grossrohrsdorf to On Top of the World Designated Place (Florida) | 4,934.71 mi (7,941.65 km) |
| Grossrohrsdorf to Onalaska (Wisconsin) | 4,497.57 mi (7,238.13 km) |
| Grossrohrsdorf to Oneida (New York) | 3,986.35 mi (6,415.40 km) |
| Grossrohrsdorf to Oneonta (New York) | 3,992.75 mi (6,425.70 km) |
| Grossrohrsdorf to Ontario (California) | 5,859.26 mi (9,429.57 km) |
| Grossrohrsdorf to Ontario (Oregon) | 5,237.27 mi (8,428.58 km) |
| Grossrohrsdorf to Opa-locka (Florida) | 5,020.04 mi (8,078.97 km) |
| Grossrohrsdorf to Opelika (Alabama) | 4,870.04 mi (7,837.58 km) |
| Grossrohrsdorf to Opelousas (Louisiana) | 5,235.74 mi (8,426.12 km) |
| Grossrohrsdorf to Orange (California) | 5,879.43 mi (9,462.03 km) |
| Grossrohrsdorf to Orange (Texas) | 5,319.46 mi (8,560.84 km) |
| Grossrohrsdorf to Orange City (Florida) | 4,903.82 mi (7,891.94 km) |
| Grossrohrsdorf to Orangeburg (South Carolina) | 4,653.07 mi (7,488.39 km) |
