| Ganderkesee to Olympia Heights (Florida) | 4,771.87 mi (7,679.59 km) |
| Ganderkesee to Omaha (Nebraska) | 4,532.92 mi (7,295.03 km) |
| Ganderkesee to On Top of the World Designated Place (Florida) | 4,671.00 mi (7,517.24 km) |
| Ganderkesee to Onalaska (Wisconsin) | 4,234.24 mi (6,814.35 km) |
| Ganderkesee to Oneida (New York) | 3,720.12 mi (5,986.95 km) |
| Ganderkesee to Oneonta (New York) | 3,726.65 mi (5,997.47 km) |
| Ganderkesee to Ontario (California) | 5,609.18 mi (9,027.10 km) |
| Ganderkesee to Ontario (Oregon) | 4,995.26 mi (8,039.10 km) |
| Ganderkesee to Opa-locka (Florida) | 4,759.23 mi (7,659.25 km) |
| Ganderkesee to Opelika (Alabama) | 4,604.20 mi (7,409.74 km) |
| Ganderkesee to Opelousas (Louisiana) | 4,969.45 mi (7,997.55 km) |
| Ganderkesee to Orange (California) | 5,629.41 mi (9,059.67 km) |
| Ganderkesee to Orange (Texas) | 5,053.19 mi (8,132.32 km) |
| Ganderkesee to Orange City (Florida) | 4,640.66 mi (7,468.43 km) |
| Ganderkesee to Orangeburg (South Carolina) | 4,388.14 mi (7,062.02 km) |
