| Alum Rock to Olivares | 5,840.48 mi (9,399.35 km) |
| Alum Rock to Olivenza | 5,742.52 mi (9,241.69 km) |
| Alum Rock to Olot | 5,918.88 mi (9,525.52 km) |
| Alum Rock to Onate | 5,706.45 mi (9,183.65 km) |
| Alum Rock to Onda | 5,937.01 mi (9,554.70 km) |
| Alum Rock to Onteniente | 5,982.33 mi (9,627.62 km) |
| Alum Rock to Orihuela | 6,007.01 mi (9,667.35 km) |
| Alum Rock to Osuna | 5,890.63 mi (9,480.06 km) |
| Alum Rock to Ourense | 5,541.35 mi (8,917.93 km) |
| Alum Rock to Oviedo | 5,567.76 mi (8,960.45 km) |
| Alum Rock to Paiporta | 5,958.55 mi (9,589.36 km) |
| Alum Rock to Pajara | 5,920.06 mi (9,527.41 km) |
| Alum Rock to Palafolls | 5,954.44 mi (9,582.75 km) |
| Alum Rock to Palafrugell | 5,955.37 mi (9,584.24 km) |
| Alum Rock to Palamos | 5,957.97 mi (9,588.43 km) |
