| Amersfoort to Olivenza | 1,106.51 mi (1,780.75 km) |
| Amersfoort to Olot | 701.85 mi (1,129.52 km) |
| Amersfoort to Onate | 726.28 mi (1,168.84 km) |
| Amersfoort to Onda | 883.86 mi (1,422.43 km) |
| Amersfoort to Onteniente | 964.67 mi (1,552.49 km) |
| Amersfoort to Orihuela | 1,018.62 mi (1,639.31 km) |
| Amersfoort to Osuna | 1,149.39 mi (1,849.76 km) |
| Amersfoort to Ourense | 916.87 mi (1,475.56 km) |
| Amersfoort to Oviedo | 798.71 mi (1,285.39 km) |
| Amersfoort to Paiporta | 921.64 mi (1,483.24 km) |
| Amersfoort to Pajara | 1,925.39 mi (3,098.62 km) |
| Amersfoort to Palafolls | 734.61 mi (1,182.24 km) |
| Amersfoort to Palafrugell | 714.60 mi (1,150.04 km) |
| Amersfoort to Palamos | 719.74 mi (1,158.31 km) |
| Amersfoort to Palencia | 839.67 mi (1,351.32 km) |
