| Morlanwelz-Mariemont to Olivenza | 983.44 mi (1,582.70 km) |
| Morlanwelz-Mariemont to Olot | 577.24 mi (928.97 km) |
| Morlanwelz-Mariemont to Onate | 600.90 mi (967.05 km) |
| Morlanwelz-Mariemont to Onda | 756.60 mi (1,217.63 km) |
| Morlanwelz-Mariemont to Onteniente | 837.44 mi (1,347.74 km) |
| Morlanwelz-Mariemont to Orihuela | 891.35 mi (1,434.49 km) |
| Morlanwelz-Mariemont to Osuna | 1,022.93 mi (1,646.25 km) |
| Morlanwelz-Mariemont to Ourense | 802.20 mi (1,291.01 km) |
| Morlanwelz-Mariemont to Oviedo | 681.70 mi (1,097.10 km) |
| Morlanwelz-Mariemont to Paiporta | 794.40 mi (1,278.47 km) |
| Morlanwelz-Mariemont to Pajara | 1,802.82 mi (2,901.35 km) |
| Morlanwelz-Mariemont to Palafolls | 610.81 mi (983.00 km) |
| Morlanwelz-Mariemont to Palafrugell | 591.75 mi (952.32 km) |
| Morlanwelz-Mariemont to Palamos | 596.82 mi (960.49 km) |
| Morlanwelz-Mariemont to Palencia | 716.61 mi (1,153.28 km) |
