| Seini to Castelfidardo | 555.44 mi (893.90 km) |
| Seini to Castelfiorentino | 659.16 mi (1,060.81 km) |
| Seini to Castelfranco di Sopra | 632.81 mi (1,018.42 km) |
| Seini to Castelfranco di Sotto | 665.15 mi (1,070.46 km) |
| Seini to Castelfranco Emilia | 623.63 mi (1,003.63 km) |
| Seini to Castelfranco Veneto | 556.16 mi (895.05 km) |
| Seini to Castellabate | 660.81 mi (1,063.47 km) |
| Seini to Castellammare del Golfo | 851.97 mi (1,371.12 km) |
| Seini to Castellammare di Stabia | 653.04 mi (1,050.97 km) |
| Seini to Castellamonte | 756.23 mi (1,217.04 km) |
| Seini to Castellana Grotte | 562.12 mi (904.65 km) |
| Seini to Castellaneta | 583.20 mi (938.58 km) |
| Seini to Castellanza | 696.50 mi (1,120.90 km) |
| Seini to Castellarano | 636.55 mi (1,024.42 km) |
| Seini to Castelleone | 663.95 mi (1,068.52 km) |
