| Petrinja to Olympia Heights (Florida) | 5,273.52 mi (8,486.91 km) |
| Petrinja to Omaha (Nebraska) | 5,138.08 mi (8,268.95 km) |
| Petrinja to On Top of the World Designated Place (Florida) | 5,196.46 mi (8,362.90 km) |
| Petrinja to Onalaska (Wisconsin) | 4,836.53 mi (7,783.64 km) |
| Petrinja to Oneida (New York) | 4,284.62 mi (6,895.44 km) |
| Petrinja to Oneonta (New York) | 4,286.74 mi (6,898.85 km) |
| Petrinja to Ontario (California) | 6,235.04 mi (10,034.33 km) |
| Petrinja to Ontario (Oregon) | 5,624.39 mi (9,051.58 km) |
| Petrinja to Opa-locka (Florida) | 5,261.33 mi (8,467.29 km) |
| Petrinja to Opelika (Alabama) | 5,155.85 mi (8,297.54 km) |
| Petrinja to Opelousas (Louisiana) | 5,536.00 mi (8,909.33 km) |
| Petrinja to Orange (California) | 6,255.32 mi (10,066.97 km) |
| Petrinja to Orange (Texas) | 5,623.84 mi (9,050.70 km) |
| Petrinja to Orange City (Florida) | 5,161.27 mi (8,306.27 km) |
| Petrinja to Orangeburg (South Carolina) | 4,927.21 mi (7,929.57 km) |
