| San Marcos to Castelfidardo | 6,299.47 mi (10,138.02 km) |
| San Marcos to Castelfiorentino | 6,208.75 mi (9,992.02 km) |
| San Marcos to Castelfranco di Sopra | 6,226.93 mi (10,021.28 km) |
| San Marcos to Castelfranco di Sotto | 6,196.41 mi (9,972.16 km) |
| San Marcos to Castelfranco Emilia | 6,159.72 mi (9,913.11 km) |
| San Marcos to Castelfranco Veneto | 6,131.85 mi (9,868.26 km) |
| San Marcos to Castellabate | 6,516.11 mi (10,486.67 km) |
| San Marcos to Castellammare del Golfo | 6,566.26 mi (10,567.38 km) |
| San Marcos to Castellammare di Stabia | 6,478.17 mi (10,425.60 km) |
| San Marcos to Castellamonte | 6,009.74 mi (9,671.74 km) |
| San Marcos to Castellana Grotte | 6,554.19 mi (10,547.95 km) |
| San Marcos to Castellaneta | 6,560.62 mi (10,558.30 km) |
| San Marcos to Castellanza | 6,037.16 mi (9,715.88 km) |
| San Marcos to Castellarano | 6,152.54 mi (9,901.55 km) |
| San Marcos to Castelleone | 6,081.66 mi (9,787.48 km) |
