| Kalkar to Queluz | 1,168.92 mi (1,881.20 km) |
| Kalkar to Reguengos de Monsaraz | 1,137.07 mi (1,829.94 km) |
| Kalkar to Resende | 996.91 mi (1,604.37 km) |
| Kalkar to Ribeira Brava | 1,762.26 mi (2,836.09 km) |
| Kalkar to Ribeira Grande | 1,811.21 mi (2,914.86 km) |
| Kalkar to Rio de Mouro | 1,169.97 mi (1,882.89 km) |
| Kalkar to Rio Maior | 1,125.75 mi (1,811.72 km) |
| Kalkar to Rio Tinto | 1,012.23 mi (1,629.02 km) |
| Kalkar to Sabugal | 1,011.92 mi (1,628.53 km) |
| Kalkar to Sacavem | 1,161.54 mi (1,869.31 km) |
| Kalkar to Salvaterra de Magos | 1,139.06 mi (1,833.14 km) |
| Kalkar to Santa Comba Dao | 1,040.66 mi (1,674.77 km) |
| Kalkar to Santa Cruz | 1,754.00 mi (2,822.80 km) |
| Kalkar to Santa Iria da Azoia | 1,158.05 mi (1,863.71 km) |
| Kalkar to Santarem | 1,123.76 mi (1,808.51 km) |
