| Birmingham to Olivares | 1,060.82 mi (1,707.23 km) |
| Birmingham to Olivenza | 985.03 mi (1,585.25 km) |
| Birmingham to Olot | 740.28 mi (1,191.36 km) |
| Birmingham to Onate | 653.14 mi (1,051.12 km) |
| Birmingham to Onda | 868.36 mi (1,397.48 km) |
| Birmingham to Onteniente | 945.69 mi (1,521.95 km) |
| Birmingham to Orihuela | 995.62 mi (1,602.29 km) |
| Birmingham to Osuna | 1,064.75 mi (1,713.55 km) |
| Birmingham to Ourense | 753.61 mi (1,212.81 km) |
| Birmingham to Oviedo | 655.78 mi (1,055.38 km) |
| Birmingham to Paiporta | 904.58 mi (1,455.78 km) |
| Birmingham to Pajara | 1,780.77 mi (2,865.88 km) |
| Birmingham to Palafolls | 777.97 mi (1,252.01 km) |
| Birmingham to Palafrugell | 767.09 mi (1,234.51 km) |
| Birmingham to Palamos | 771.35 mi (1,241.37 km) |
