| Zalec to Olivenza | 1,243.74 mi (2,001.60 km) |
| Zalec to Olot | 686.71 mi (1,105.15 km) |
| Zalec to Onate | 890.35 mi (1,432.88 km) |
| Zalec to Onda | 889.11 mi (1,430.88 km) |
| Zalec to Onteniente | 950.31 mi (1,529.38 km) |
| Zalec to Orihuela | 996.48 mi (1,603.67 km) |
| Zalec to Osuna | 1,211.14 mi (1,949.14 km) |
| Zalec to Ourense | 1,165.99 mi (1,876.48 km) |
| Zalec to Oviedo | 1,045.83 mi (1,683.11 km) |
| Zalec to Paiporta | 917.10 mi (1,475.92 km) |
| Zalec to Pajara | 2,009.39 mi (3,233.80 km) |
| Zalec to Palafolls | 692.73 mi (1,114.85 km) |
| Zalec to Palafrugell | 665.68 mi (1,071.31 km) |
| Zalec to Palamos | 669.73 mi (1,077.83 km) |
| Zalec to Palencia | 1,016.58 mi (1,636.03 km) |
