| Kastav to Odessa (Texas) | 5,790.30 mi (9,318.59 km) |
| Kastav to Ogden (Utah) | 5,597.64 mi (9,008.54 km) |
| Kastav to Oildale (California) | 6,141.40 mi (9,883.63 km) |
| Kastav to Ojus (Florida) | 5,169.58 mi (8,319.63 km) |
| Kastav to Okemos (Michigan) | 4,571.69 mi (7,357.42 km) |
| Kastav to Oklahoma City (Oklahoma) | 5,421.58 mi (8,725.19 km) |
| Kastav to Okmulgee (Oklahoma) | 5,357.35 mi (8,621.81 km) |
| Kastav to Olathe (Kansas) | 5,147.52 mi (8,284.13 km) |
| Kastav to Old Jamestown (Missouri) | 4,978.47 mi (8,012.07 km) |
| Kastav to Oldsmar (Florida) | 5,181.53 mi (8,338.87 km) |
| Kastav to Olean (New York) | 4,363.08 mi (7,021.70 km) |
| Kastav to Olive Branch (Mississippi) | 5,149.89 mi (8,287.94 km) |
| Kastav to Olivehurst (California) | 5,992.49 mi (9,643.99 km) |
| Kastav to Olney (Maryland) | 4,433.26 mi (7,134.64 km) |
| Kastav to Olympia (Washington) | 5,544.63 mi (8,923.22 km) |
