| Unterhaching to Olympia Heights (Florida) | 5,002.18 mi (8,050.23 km) |
| Unterhaching to Omaha (Nebraska) | 4,852.61 mi (7,809.51 km) |
| Unterhaching to On Top of the World Designated Place (Florida) | 4,919.81 mi (7,917.67 km) |
| Unterhaching to Onalaska (Wisconsin) | 4,550.89 mi (7,323.95 km) |
| Unterhaching to Oneida (New York) | 4,000.93 mi (6,438.87 km) |
| Unterhaching to Oneonta (New York) | 4,003.61 mi (6,443.19 km) |
| Unterhaching to Ontario (California) | 5,955.77 mi (9,584.89 km) |
| Unterhaching to Ontario (Oregon) | 5,351.16 mi (8,611.86 km) |
| Unterhaching to Opa-locka (Florida) | 4,989.87 mi (8,030.43 km) |
| Unterhaching to Opelika (Alabama) | 4,874.34 mi (7,844.49 km) |
| Unterhaching to Opelousas (Louisiana) | 5,252.44 mi (8,452.99 km) |
| Unterhaching to Orange (California) | 5,976.09 mi (9,617.58 km) |
| Unterhaching to Orange (Texas) | 5,339.80 mi (8,593.58 km) |
| Unterhaching to Orange City (Florida) | 4,885.61 mi (7,862.62 km) |
| Unterhaching to Orangeburg (South Carolina) | 4,647.74 mi (7,479.81 km) |
