| Erie to Oakley (California) | 2,197.65 mi (3,536.77 km) |
| Erie to Oakton (Virginia) | 266.32 mi (428.61 km) |
| Erie to Oakville (Missouri) | 596.08 mi (959.30 km) |
| Erie to Oatfield (Oregon) | 2,109.04 mi (3,394.17 km) |
| Erie to Ocala (Florida) | 901.48 mi (1,450.78 km) |
| Erie to Ocean Acres (New Jersey) | 343.89 mi (553.44 km) |
| Erie to Ocean City (New Jersey) | 347.58 mi (559.38 km) |
| Erie to Ocean Pines (Maryland) | 365.82 mi (588.73 km) |
| Erie to Ocean Pointe (Hawaii) | 4,641.12 mi (7,469.16 km) |
| Erie to Ocean Springs (Mississippi) | 942.21 mi (1,516.33 km) |
| Erie to Oceanside (California) | 2,108.39 mi (3,393.13 km) |
| Erie to Oceanside (New York) | 349.03 mi (561.71 km) |
| Erie to Ocoee (Florida) | 938.89 mi (1,511.00 km) |
| Erie to Oconomowoc (Wisconsin) | 433.41 mi (697.51 km) |
| Erie to Odenton (Maryland) | 275.39 mi (443.20 km) |
