| Simpelveld to Olivenza | 1,053.33 mi (1,695.17 km) |
| Simpelveld to Olot | 620.21 mi (998.14 km) |
| Simpelveld to Onate | 668.04 mi (1,075.11 km) |
| Simpelveld to Onda | 809.22 mi (1,302.32 km) |
| Simpelveld to Onteniente | 889.63 mi (1,431.72 km) |
| Simpelveld to Orihuela | 943.73 mi (1,518.79 km) |
| Simpelveld to Osuna | 1,086.37 mi (1,748.34 km) |
| Simpelveld to Ourense | 878.88 mi (1,414.43 km) |
| Simpelveld to Oviedo | 757.37 mi (1,218.86 km) |
| Simpelveld to Paiporta | 846.78 mi (1,362.76 km) |
| Simpelveld to Pajara | 1,872.60 mi (3,013.65 km) |
| Simpelveld to Palafolls | 651.57 mi (1,048.61 km) |
| Simpelveld to Palafrugell | 630.40 mi (1,014.53 km) |
| Simpelveld to Palamos | 635.60 mi (1,022.90 km) |
| Simpelveld to Palencia | 787.05 mi (1,266.63 km) |
