| Herceg Novi to Oakley (California) | 6,342.77 mi (10,207.71 km) |
| Herceg Novi to Oakton (Virginia) | 4,737.58 mi (7,624.40 km) |
| Herceg Novi to Oakville (Missouri) | 5,287.46 mi (8,509.34 km) |
| Herceg Novi to Oatfield (Oregon) | 5,911.40 mi (9,513.48 km) |
| Herceg Novi to Ocala (Florida) | 5,382.20 mi (8,661.82 km) |
| Herceg Novi to Ocean Acres (New Jersey) | 4,573.23 mi (7,359.90 km) |
| Herceg Novi to Ocean City (New Jersey) | 4,606.52 mi (7,413.48 km) |
| Herceg Novi to Ocean Pines (Maryland) | 4,666.69 mi (7,510.31 km) |
| Herceg Novi to Ocean Pointe (Hawaii) | 8,025.42 mi (12,915.67 km) |
| Herceg Novi to Ocean Springs (Mississippi) | 5,613.38 mi (9,033.87 km) |
| Herceg Novi to Oceanside (California) | 6,507.43 mi (10,472.69 km) |
| Herceg Novi to Oceanside (New York) | 4,509.57 mi (7,257.45 km) |
| Herceg Novi to Ocoee (Florida) | 5,382.16 mi (8,661.75 km) |
| Herceg Novi to Oconomowoc (Wisconsin) | 4,997.87 mi (8,043.29 km) |
| Herceg Novi to Odenton (Maryland) | 4,704.27 mi (7,570.80 km) |
