| Gornji Grad to Olympia Heights (Florida) | 5,185.50 mi (8,345.25 km) |
| Gornji Grad to Omaha (Nebraska) | 5,045.97 mi (8,120.70 km) |
| Gornji Grad to On Top of the World Designated Place (Florida) | 5,106.82 mi (8,218.63 km) |
| Gornji Grad to Onalaska (Wisconsin) | 4,744.34 mi (7,635.28 km) |
| Gornji Grad to Oneida (New York) | 4,192.87 mi (6,747.78 km) |
| Gornji Grad to Oneonta (New York) | 4,195.15 mi (6,751.45 km) |
| Gornji Grad to Ontario (California) | 6,145.12 mi (9,889.61 km) |
| Gornji Grad to Ontario (Oregon) | 5,536.47 mi (8,910.09 km) |
| Gornji Grad to Opa-locka (Florida) | 5,173.27 mi (8,325.58 km) |
| Gornji Grad to Opelika (Alabama) | 5,064.74 mi (8,150.92 km) |
| Gornji Grad to Opelousas (Louisiana) | 5,444.30 mi (8,761.75 km) |
| Gornji Grad to Orange (California) | 6,165.41 mi (9,922.27 km) |
| Gornji Grad to Orange (Texas) | 5,532.01 mi (8,902.90 km) |
| Gornji Grad to Orange City (Florida) | 5,071.92 mi (8,162.47 km) |
| Gornji Grad to Orangeburg (South Carolina) | 4,836.70 mi (7,783.92 km) |
