| Leer to Olivenza | 1,219.09 mi (1,961.93 km) |
| Leer to Olot | 797.02 mi (1,282.68 km) |
| Leer to Onate | 837.07 mi (1,347.14 km) |
| Leer to Onda | 985.86 mi (1,586.59 km) |
| Leer to Onteniente | 1,066.37 mi (1,716.15 km) |
| Leer to Orihuela | 1,120.46 mi (1,803.20 km) |
| Leer to Osuna | 1,258.65 mi (2,025.59 km) |
| Leer to Ourense | 1,031.25 mi (1,659.64 km) |
| Leer to Oviedo | 912.92 mi (1,469.20 km) |
| Leer to Paiporta | 1,023.48 mi (1,647.12 km) |
| Leer to Pajara | 2,038.29 mi (3,280.31 km) |
| Leer to Palafolls | 828.03 mi (1,332.59 km) |
| Leer to Palafrugell | 806.47 mi (1,297.89 km) |
| Leer to Palamos | 811.69 mi (1,306.28 km) |
| Leer to Palencia | 952.21 mi (1,532.43 km) |
