| Cities | Distance |
|---|---|
| Barreiro to Olivenza | 106.05 mi (170.67 km) |
| Barreiro to Olot | 653.86 mi (1,052.29 km) |
| Barreiro to Onate | 459.97 mi (740.25 km) |
| Barreiro to Onda | 478.79 mi (770.54 km) |
| Barreiro to Onteniente | 455.84 mi (733.60 km) |
| Barreiro to Orihuela | 441.50 mi (710.52 km) |
| Barreiro to Osuna | 237.70 mi (382.54 km) |
| Barreiro to Ourense | 261.31 mi (420.53 km) |
| Barreiro to Oviedo | 365.12 mi (587.60 km) |
| Barreiro to Paiporta | 466.86 mi (751.33 km) |
| Barreiro to Pajara | 769.18 mi (1,237.88 km) |
| Barreiro to Palafolls | 656.87 mi (1,057.12 km) |
| Barreiro to Palafrugell | 681.80 mi (1,097.25 km) |
| Barreiro to Palamos | 678.82 mi (1,092.45 km) |
| Barreiro to Palencia | 332.43 mi (534.99 km) |