| Birstonas to Olivenza | 1,816.28 mi (2,923.02 km) |
| Birstonas to Olot | 1,299.05 mi (2,090.62 km) |
| Birstonas to Onate | 1,430.68 mi (2,302.46 km) |
| Birstonas to Onda | 1,508.78 mi (2,428.14 km) |
| Birstonas to Onteniente | 1,581.49 mi (2,545.16 km) |
| Birstonas to Orihuela | 1,632.92 mi (2,627.93 km) |
| Birstonas to Osuna | 1,820.56 mi (2,929.91 km) |
| Birstonas to Ourense | 1,667.74 mi (2,683.96 km) |
| Birstonas to Oviedo | 1,544.21 mi (2,485.17 km) |
| Birstonas to Paiporta | 1,542.52 mi (2,482.44 km) |
| Birstonas to Pajara | 2,624.82 mi (4,224.23 km) |
| Birstonas to Palafolls | 1,317.18 mi (2,119.79 km) |
| Birstonas to Palafrugell | 1,290.38 mi (2,076.66 km) |
| Birstonas to Palamos | 1,295.29 mi (2,084.58 km) |
| Birstonas to Palencia | 1,557.22 mi (2,506.11 km) |
