| Smartno to Castelfidardo | 189.32 mi (304.69 km) |
| Smartno to Castelfiorentino | 254.25 mi (409.18 km) |
| Smartno to Castelfranco di Sopra | 232.19 mi (373.67 km) |
| Smartno to Castelfranco di Sotto | 257.75 mi (414.82 km) |
| Smartno to Castelfranco Emilia | 209.66 mi (337.42 km) |
| Smartno to Castelfranco Veneto | 142.59 mi (229.47 km) |
| Smartno to Castellabate | 398.37 mi (641.12 km) |
| Smartno to Castellammare del Golfo | 563.03 mi (906.11 km) |
| Smartno to Castellammare di Stabia | 370.06 mi (595.56 km) |
| Smartno to Castellamonte | 347.11 mi (558.61 km) |
| Smartno to Castellana Grotte | 375.03 mi (603.56 km) |
| Smartno to Castellaneta | 388.24 mi (624.81 km) |
| Smartno to Castellanza | 287.74 mi (463.07 km) |
| Smartno to Castellarano | 222.24 mi (357.67 km) |
| Smartno to Castelleone | 250.88 mi (403.76 km) |
