| San Felice sul Panaro to Oakley (California) | 6,004.13 mi (9,662.71 km) |
| San Felice sul Panaro to Oakton (Virginia) | 4,336.47 mi (6,978.88 km) |
| San Felice sul Panaro to Oakville (Missouri) | 4,895.03 mi (7,877.79 km) |
| San Felice sul Panaro to Oatfield (Oregon) | 5,590.10 mi (8,996.40 km) |
| San Felice sul Panaro to Ocala (Florida) | 4,978.09 mi (8,011.46 km) |
| San Felice sul Panaro to Ocean Acres (New Jersey) | 4,171.44 mi (6,713.29 km) |
| San Felice sul Panaro to Ocean City (New Jersey) | 4,204.53 mi (6,766.53 km) |
| San Felice sul Panaro to Ocean Pines (Maryland) | 4,264.33 mi (6,862.77 km) |
| San Felice sul Panaro to Ocean Pointe (Hawaii) | 7,815.23 mi (12,577.40 km) |
| San Felice sul Panaro to Ocean Springs (Mississippi) | 5,212.08 mi (8,388.03 km) |
| San Felice sul Panaro to Oceanside (California) | 6,149.10 mi (9,896.03 km) |
| San Felice sul Panaro to Oceanside (New York) | 4,108.19 mi (6,611.49 km) |
| San Felice sul Panaro to Ocoee (Florida) | 4,977.87 mi (8,011.11 km) |
| San Felice sul Panaro to Oconomowoc (Wisconsin) | 4,610.36 mi (7,419.65 km) |
| San Felice sul Panaro to Odenton (Maryland) | 4,303.02 mi (6,925.04 km) |
