| Gornji Petrovci to Olympia Heights (Florida) | 5,234.36 mi (8,423.89 km) |
| Gornji Petrovci to Omaha (Nebraska) | 5,070.93 mi (8,160.88 km) |
| Gornji Petrovci to On Top of the World Designated Place (Florida) | 5,151.80 mi (8,291.02 km) |
| Gornji Petrovci to Onalaska (Wisconsin) | 4,770.35 mi (7,677.13 km) |
| Gornji Petrovci to Oneida (New York) | 4,229.59 mi (6,806.87 km) |
| Gornji Petrovci to Oneonta (New York) | 4,232.87 mi (6,812.15 km) |
| Gornji Petrovci to Ontario (California) | 6,157.71 mi (9,909.87 km) |
| Gornji Petrovci to Ontario (Oregon) | 5,542.94 mi (8,920.50 km) |
| Gornji Petrovci to Opa-locka (Florida) | 5,222.06 mi (8,404.10 km) |
| Gornji Petrovci to Opelika (Alabama) | 5,104.73 mi (8,215.27 km) |
| Gornji Petrovci to Opelousas (Louisiana) | 5,481.13 mi (8,821.03 km) |
| Gornji Petrovci to Orange (California) | 6,177.95 mi (9,942.45 km) |
| Gornji Petrovci to Orange (Texas) | 5,567.87 mi (8,960.62 km) |
| Gornji Petrovci to Orange City (Florida) | 5,117.72 mi (8,236.17 km) |
| Gornji Petrovci to Orangeburg (South Carolina) | 4,879.08 mi (7,852.12 km) |
