| Struer to Olivenza | 1,423.20 mi (2,290.43 km) |
| Struer to Olot | 1,024.74 mi (1,649.16 km) |
| Struer to Onate | 1,048.35 mi (1,687.16 km) |
| Struer to Onda | 1,209.85 mi (1,947.06 km) |
| Struer to Onteniente | 1,290.62 mi (2,077.05 km) |
| Struer to Orihuela | 1,344.61 mi (2,163.94 km) |
| Struer to Osuna | 1,472.82 mi (2,370.27 km) |
| Struer to Ourense | 1,219.19 mi (1,962.10 km) |
| Struer to Oviedo | 1,106.35 mi (1,780.50 km) |
| Struer to Paiporta | 1,247.61 mi (2,007.84 km) |
| Struer to Pajara | 2,239.37 mi (3,603.91 km) |
| Struer to Palafolls | 1,056.33 mi (1,700.01 km) |
| Struer to Palafrugell | 1,035.15 mi (1,665.91 km) |
| Struer to Palamos | 1,040.35 mi (1,674.28 km) |
| Struer to Palencia | 1,157.32 mi (1,862.53 km) |
