| Simmerath to Olivenza | 1,050.94 mi (1,691.33 km) |
| Simmerath to Olot | 609.09 mi (980.24 km) |
| Simmerath to Onate | 664.77 mi (1,069.85 km) |
| Simmerath to Onda | 800.48 mi (1,288.25 km) |
| Simmerath to Onteniente | 880.66 mi (1,417.29 km) |
| Simmerath to Orihuela | 934.77 mi (1,504.37 km) |
| Simmerath to Osuna | 1,081.12 mi (1,739.89 km) |
| Simmerath to Ourense | 880.70 mi (1,417.36 km) |
| Simmerath to Oviedo | 758.54 mi (1,220.75 km) |
| Simmerath to Paiporta | 837.92 mi (1,348.50 km) |
| Simmerath to Pajara | 1,869.87 mi (3,009.26 km) |
| Simmerath to Palafolls | 639.83 mi (1,029.71 km) |
| Simmerath to Palafrugell | 618.19 mi (994.88 km) |
| Simmerath to Palamos | 623.40 mi (1,003.27 km) |
| Simmerath to Palencia | 785.16 mi (1,263.59 km) |
