| Alessandria to Oakley (California) | 5,926.80 mi (9,538.26 km) |
| Alessandria to Oakton (Virginia) | 4,225.07 mi (6,799.59 km) |
| Alessandria to Oakville (Missouri) | 4,790.64 mi (7,709.79 km) |
| Alessandria to Oatfield (Oregon) | 5,520.65 mi (8,884.62 km) |
| Alessandria to Ocala (Florida) | 4,862.09 mi (7,824.78 km) |
| Alessandria to Ocean Acres (New Jersey) | 4,059.32 mi (6,532.84 km) |
| Alessandria to Ocean City (New Jersey) | 4,092.15 mi (6,585.67 km) |
| Alessandria to Ocean Pines (Maryland) | 4,151.47 mi (6,681.14 km) |
| Alessandria to Ocean Pointe (Hawaii) | 7,783.82 mi (12,526.85 km) |
| Alessandria to Ocean Springs (Mississippi) | 5,100.29 mi (8,208.13 km) |
| Alessandria to Oceanside (California) | 6,062.72 mi (9,757.00 km) |
| Alessandria to Oceanside (New York) | 3,996.55 mi (6,431.82 km) |
| Alessandria to Ocoee (Florida) | 4,861.25 mi (7,823.42 km) |
| Alessandria to Oconomowoc (Wisconsin) | 4,509.34 mi (7,257.09 km) |
| Alessandria to Odenton (Maryland) | 4,191.47 mi (6,745.52 km) |
