| Aerzen to Olivenza | 1,212.32 mi (1,951.04 km) |
| Aerzen to Olot | 751.73 mi (1,209.79 km) |
| Aerzen to Onate | 825.54 mi (1,328.59 km) |
| Aerzen to Onda | 950.26 mi (1,529.30 km) |
| Aerzen to Onteniente | 1,029.48 mi (1,656.79 km) |
| Aerzen to Orihuela | 1,083.45 mi (1,743.65 km) |
| Aerzen to Osuna | 1,238.70 mi (1,993.49 km) |
| Aerzen to Ourense | 1,042.82 mi (1,678.25 km) |
| Aerzen to Oviedo | 920.89 mi (1,482.03 km) |
| Aerzen to Paiporta | 987.20 mi (1,588.75 km) |
| Aerzen to Pajara | 2,030.74 mi (3,268.17 km) |
| Aerzen to Palafolls | 779.67 mi (1,254.76 km) |
| Aerzen to Palafrugell | 756.16 mi (1,216.93 km) |
| Aerzen to Palamos | 761.41 mi (1,225.38 km) |
| Aerzen to Palencia | 946.99 mi (1,524.03 km) |
