| Kalkar to Setubal | 1,170.51 mi (1,883.75 km) |
| Kalkar to Sever do Vouga | 1,030.14 mi (1,657.85 km) |
| Kalkar to Silves | 1,235.37 mi (1,988.13 km) |
| Kalkar to Sines | 1,202.56 mi (1,935.34 km) |
| Kalkar to Sintra | 1,169.97 mi (1,882.89 km) |
| Kalkar to Sobrado de Paiva | 1,010.56 mi (1,626.33 km) |
| Kalkar to Sobral de Monte Agraco | 1,150.30 mi (1,851.23 km) |
| Kalkar to Soure | 1,076.29 mi (1,732.13 km) |
| Kalkar to Tabua | 1,040.14 mi (1,673.95 km) |
| Kalkar to Tavira | 1,217.71 mi (1,959.71 km) |
| Kalkar to Tomar | 1,094.79 mi (1,761.89 km) |
| Kalkar to Tondela | 1,033.13 mi (1,662.66 km) |
| Kalkar to Torre de Moncorvo | 965.64 mi (1,554.04 km) |
| Kalkar to Torres Novas | 1,105.90 mi (1,779.77 km) |
| Kalkar to Torres Vedras | 1,150.17 mi (1,851.02 km) |
