| Gardelegen to Olivenza | 1,301.51 mi (2,094.57 km) |
| Gardelegen to Olot | 825.94 mi (1,329.22 km) |
| Gardelegen to Onate | 914.24 mi (1,471.32 km) |
| Gardelegen to Onda | 1,028.55 mi (1,655.29 km) |
| Gardelegen to Onteniente | 1,106.75 mi (1,781.14 km) |
| Gardelegen to Orihuela | 1,160.44 mi (1,867.54 km) |
| Gardelegen to Osuna | 1,323.18 mi (2,129.44 km) |
| Gardelegen to Ourense | 1,136.59 mi (1,829.17 km) |
| Gardelegen to Oviedo | 1,014.20 mi (1,632.19 km) |
| Gardelegen to Paiporta | 1,064.98 mi (1,713.91 km) |
| Gardelegen to Pajara | 2,118.77 mi (3,409.83 km) |
| Gardelegen to Palafolls | 851.81 mi (1,370.85 km) |
| Gardelegen to Palafrugell | 827.27 mi (1,331.36 km) |
| Gardelegen to Palamos | 832.50 mi (1,339.77 km) |
| Gardelegen to Palencia | 1,037.18 mi (1,669.17 km) |
