| Barth to Olivenza | 1,425.68 mi (2,294.42 km) |
| Barth to Olot | 962.10 mi (1,548.35 km) |
| Barth to Onate | 1,039.36 mi (1,672.69 km) |
| Barth to Onda | 1,163.03 mi (1,871.72 km) |
| Barth to Onteniente | 1,241.78 mi (1,998.45 km) |
| Barth to Orihuela | 1,295.62 mi (2,085.10 km) |
| Barth to Osuna | 1,453.22 mi (2,338.74 km) |
| Barth to Ourense | 1,250.10 mi (2,011.84 km) |
| Barth to Oviedo | 1,129.52 mi (1,817.79 km) |
| Barth to Paiporta | 1,199.74 mi (1,930.79 km) |
| Barth to Pajara | 2,244.55 mi (3,612.25 km) |
| Barth to Palafolls | 988.65 mi (1,591.08 km) |
| Barth to Palafrugell | 964.37 mi (1,552.01 km) |
| Barth to Palamos | 969.61 mi (1,560.44 km) |
| Barth to Palencia | 1,159.80 mi (1,866.52 km) |
