| San Vicente de Baracaldo to Olympia Heights (Florida) | 4,409.16 mi (7,095.86 km) |
| San Vicente de Baracaldo to Omaha (Nebraska) | 4,489.11 mi (7,224.52 km) |
| San Vicente de Baracaldo to On Top of the World Designated Place (Florida) | 4,363.04 mi (7,021.63 km) |
| San Vicente de Baracaldo to Onalaska (Wisconsin) | 4,183.19 mi (6,732.20 km) |
| San Vicente de Baracaldo to Oneida (New York) | 3,536.95 mi (5,692.18 km) |
| San Vicente de Baracaldo to Oneonta (New York) | 3,529.56 mi (5,680.28 km) |
| San Vicente de Baracaldo to Ontario (California) | 5,691.61 mi (9,159.77 km) |
| San Vicente de Baracaldo to Ontario (Oregon) | 5,161.21 mi (8,306.16 km) |
| San Vicente de Baracaldo to Opa-locka (Florida) | 4,397.63 mi (7,077.29 km) |
| San Vicente de Baracaldo to Opelika (Alabama) | 4,364.87 mi (7,024.57 km) |
| San Vicente de Baracaldo to Opelousas (Louisiana) | 4,767.82 mi (7,673.06 km) |
| San Vicente de Baracaldo to Orange (California) | 5,711.98 mi (9,192.54 km) |
| San Vicente de Baracaldo to Orange (Texas) | 4,863.07 mi (7,826.36 km) |
| San Vicente de Baracaldo to Orange City (Florida) | 4,321.69 mi (6,955.08 km) |
| San Vicente de Baracaldo to Orangeburg (South Carolina) | 4,118.48 mi (6,628.05 km) |
