| Santarem to Castelfidardo | 1,185.68 mi (1,908.17 km) |
| Santarem to Castelfiorentino | 1,059.14 mi (1,704.52 km) |
| Santarem to Castelfranco di Sopra | 1,088.60 mi (1,751.93 km) |
| Santarem to Castelfranco di Sotto | 1,049.69 mi (1,689.31 km) |
| Santarem to Castelfranco Emilia | 1,077.09 mi (1,733.40 km) |
| Santarem to Castelfranco Veneto | 1,137.12 mi (1,830.02 km) |
| Santarem to Castellabate | 1,253.98 mi (2,018.08 km) |
| Santarem to Castellammare del Golfo | 1,164.30 mi (1,873.75 km) |
| Santarem to Castellammare di Stabia | 1,227.38 mi (1,975.28 km) |
| Santarem to Castellamonte | 937.02 mi (1,507.98 km) |
| Santarem to Castellana Grotte | 1,366.93 mi (2,199.86 km) |
| Santarem to Castellaneta | 1,355.95 mi (2,182.19 km) |
| Santarem to Castellanza | 996.57 mi (1,603.83 km) |
| Santarem to Castellarano | 1,063.70 mi (1,711.86 km) |
| Santarem to Castelleone | 1,028.95 mi (1,655.93 km) |
