| Aver-o-Mar to Oakley (California) | 5,514.61 mi (8,874.91 km) |
| Aver-o-Mar to Oakton (Virginia) | 3,526.03 mi (5,674.60 km) |
| Aver-o-Mar to Oakville (Missouri) | 4,156.79 mi (6,689.71 km) |
| Aver-o-Mar to Oatfield (Oregon) | 5,184.07 mi (8,342.95 km) |
| Aver-o-Mar to Ocala (Florida) | 4,101.02 mi (6,599.95 km) |
| Aver-o-Mar to Ocean Acres (New Jersey) | 3,354.81 mi (5,399.04 km) |
| Aver-o-Mar to Ocean City (New Jersey) | 3,384.07 mi (5,446.14 km) |
| Aver-o-Mar to Ocean Pines (Maryland) | 3,436.78 mi (5,530.96 km) |
| Aver-o-Mar to Ocean Pointe (Hawaii) | 7,677.06 mi (12,355.04 km) |
| Aver-o-Mar to Ocean Springs (Mississippi) | 4,384.34 mi (7,055.92 km) |
| Aver-o-Mar to Oceanside (California) | 5,570.73 mi (8,965.22 km) |
| Aver-o-Mar to Oceanside (New York) | 3,298.80 mi (5,308.90 km) |
| Aver-o-Mar to Ocoee (Florida) | 4,092.59 mi (6,586.39 km) |
| Aver-o-Mar to Oconomowoc (Wisconsin) | 3,914.99 mi (6,300.57 km) |
| Aver-o-Mar to Odenton (Maryland) | 3,491.31 mi (5,618.73 km) |
