| Santo Tirso to Isny im Allgau | 1,008.71 mi (1,623.37 km) |
| Santo Tirso to Isselburg | 1,010.72 mi (1,626.60 km) |
| Santo Tirso to Issum | 996.34 mi (1,603.46 km) |
| Santo Tirso to Itzehoe | 1,200.79 mi (1,932.49 km) |
| Santo Tirso to Jena | 1,160.74 mi (1,868.02 km) |
| Santo Tirso to Jever | 1,134.79 mi (1,826.27 km) |
| Santo Tirso to Jork | 1,189.31 mi (1,914.01 km) |
| Santo Tirso to Juchen | 980.17 mi (1,577.44 km) |
| Santo Tirso to Julich | 967.70 mi (1,557.36 km) |
| Santo Tirso to Juterbog | 1,251.38 mi (2,013.91 km) |
| Santo Tirso to Kaarst | 989.00 mi (1,591.65 km) |
| Santo Tirso to Kaiserslautern | 963.53 mi (1,550.66 km) |
| Santo Tirso to Kalkar | 1,000.84 mi (1,610.69 km) |
| Santo Tirso to Kall | 959.06 mi (1,543.45 km) |
| Santo Tirso to Kaltenkirchen | 1,211.26 mi (1,949.34 km) |
