| Ermelo to Olivenza | 1,120.75 mi (1,803.68 km) |
| Ermelo to Olot | 714.12 mi (1,149.27 km) |
| Ermelo to Onate | 740.36 mi (1,191.49 km) |
| Ermelo to Onda | 896.99 mi (1,443.57 km) |
| Ermelo to Onteniente | 977.78 mi (1,573.59 km) |
| Ermelo to Orihuela | 1,031.75 mi (1,660.45 km) |
| Ermelo to Osuna | 1,163.33 mi (1,872.20 km) |
| Ermelo to Ourense | 931.15 mi (1,498.54 km) |
| Ermelo to Oviedo | 813.02 mi (1,308.43 km) |
| Ermelo to Paiporta | 934.77 mi (1,504.36 km) |
| Ermelo to Pajara | 1,939.67 mi (3,121.59 km) |
| Ermelo to Palafolls | 746.68 mi (1,201.66 km) |
| Ermelo to Palafrugell | 726.47 mi (1,169.15 km) |
| Ermelo to Palamos | 731.62 mi (1,177.43 km) |
| Ermelo to Palencia | 853.91 mi (1,374.23 km) |
