| Erba to Oakley (California) | 5,894.53 mi (9,486.33 km) |
| Erba to Oakton (Virginia) | 4,222.17 mi (6,794.93 km) |
| Erba to Oakville (Missouri) | 4,779.72 mi (7,692.21 km) |
| Erba to Oatfield (Oregon) | 5,483.65 mi (8,825.08 km) |
| Erba to Ocala (Florida) | 4,865.71 mi (7,830.60 km) |
| Erba to Ocean Acres (New Jersey) | 4,057.37 mi (6,529.71 km) |
| Erba to Ocean City (New Jersey) | 4,090.54 mi (6,583.09 km) |
| Erba to Ocean Pines (Maryland) | 4,150.50 mi (6,679.59 km) |
| Erba to Ocean Pointe (Hawaii) | 7,729.89 mi (12,440.06 km) |
| Erba to Ocean Springs (Mississippi) | 5,097.86 mi (8,204.21 km) |
| Erba to Oceanside (California) | 6,036.53 mi (9,714.86 km) |
| Erba to Oceanside (New York) | 3,993.97 mi (6,427.67 km) |
| Erba to Ocoee (Florida) | 4,865.89 mi (7,830.89 km) |
| Erba to Oconomowoc (Wisconsin) | 4,495.10 mi (7,234.16 km) |
| Erba to Odenton (Maryland) | 4,188.76 mi (6,741.16 km) |
