| San Cugat del Valles to Oakley (California) | 5,903.92 mi (9,501.43 km) |
| San Cugat del Valles to Oakton (Virginia) | 4,038.73 mi (6,499.70 km) |
| San Cugat del Valles to Oakville (Missouri) | 4,644.52 mi (7,474.63 km) |
| San Cugat del Valles to Oatfield (Oregon) | 5,532.54 mi (8,903.77 km) |
| San Cugat del Valles to Ocala (Florida) | 4,638.53 mi (7,465.00 km) |
| San Cugat del Valles to Ocean Acres (New Jersey) | 3,869.06 mi (6,226.65 km) |
| San Cugat del Valles to Ocean City (New Jersey) | 3,899.87 mi (6,276.24 km) |
| San Cugat del Valles to Ocean Pines (Maryland) | 3,955.40 mi (6,365.61 km) |
| San Cugat del Valles to Ocean Pointe (Hawaii) | 7,915.40 mi (12,738.61 km) |
| San Cugat del Valles to Ocean Springs (Mississippi) | 4,906.38 mi (7,896.05 km) |
| San Cugat del Valles to Oceanside (California) | 5,999.57 mi (9,655.37 km) |
| San Cugat del Valles to Oceanside (New York) | 3,810.07 mi (6,131.72 km) |
| San Cugat del Valles to Ocoee (Florida) | 4,632.61 mi (7,455.46 km) |
| San Cugat del Valles to Oconomowoc (Wisconsin) | 4,384.00 mi (7,055.36 km) |
| San Cugat del Valles to Odenton (Maryland) | 4,004.33 mi (6,444.35 km) |
