| Montabaur to Olivenza | 1,091.02 mi (1,755.82 km) |
| Montabaur to Olot | 624.27 mi (1,004.66 km) |
| Montabaur to Onate | 703.70 mi (1,132.50 km) |
| Montabaur to Onda | 822.83 mi (1,324.22 km) |
| Montabaur to Onteniente | 901.97 mi (1,451.57 km) |
| Montabaur to Orihuela | 955.92 mi (1,538.41 km) |
| Montabaur to Osuna | 1,113.35 mi (1,791.77 km) |
| Montabaur to Ourense | 930.89 mi (1,498.13 km) |
| Montabaur to Oviedo | 807.64 mi (1,299.77 km) |
| Montabaur to Paiporta | 859.73 mi (1,383.60 km) |
| Montabaur to Pajara | 1,908.15 mi (3,070.86 km) |
| Montabaur to Palafolls | 652.49 mi (1,050.08 km) |
| Montabaur to Palafrugell | 629.21 mi (1,012.61 km) |
| Montabaur to Palamos | 634.46 mi (1,021.06 km) |
| Montabaur to Palencia | 827.11 mi (1,331.11 km) |
