| Merchweiler to Olivenza | 1,016.00 mi (1,635.09 km) |
| Merchweiler to Olot | 542.43 mi (872.95 km) |
| Merchweiler to Onate | 628.79 mi (1,011.95 km) |
| Merchweiler to Onda | 741.58 mi (1,193.46 km) |
| Merchweiler to Onteniente | 820.52 mi (1,320.50 km) |
| Merchweiler to Orihuela | 874.44 mi (1,407.27 km) |
| Merchweiler to Osuna | 1,034.50 mi (1,664.87 km) |
| Merchweiler to Ourense | 864.38 mi (1,391.09 km) |
| Merchweiler to Oviedo | 740.41 mi (1,191.57 km) |
| Merchweiler to Paiporta | 778.37 mi (1,252.66 km) |
| Merchweiler to Pajara | 1,831.55 mi (2,947.59 km) |
| Merchweiler to Palafolls | 570.65 mi (918.37 km) |
| Merchweiler to Palafrugell | 547.43 mi (881.01 km) |
| Merchweiler to Palamos | 552.68 mi (889.46 km) |
| Merchweiler to Palencia | 753.81 mi (1,213.14 km) |
