| Seaford to Castelfidardo | 806.90 mi (1,298.57 km) |
| Seaford to Castelfiorentino | 709.83 mi (1,142.36 km) |
| Seaford to Castelfranco di Sopra | 728.68 mi (1,172.70 km) |
| Seaford to Castelfranco di Sotto | 697.45 mi (1,122.44 km) |
| Seaford to Castelfranco Emilia | 663.25 mi (1,067.40 km) |
| Seaford to Castelfranco Veneto | 647.75 mi (1,042.45 km) |
| Seaford to Castellabate | 1,017.32 mi (1,637.22 km) |
| Seaford to Castellammare del Golfo | 1,079.89 mi (1,737.92 km) |
| Seaford to Castellammare di Stabia | 979.35 mi (1,576.12 km) |
| Seaford to Castellamonte | 511.41 mi (823.04 km) |
| Seaford to Castellana Grotte | 1,064.07 mi (1,712.45 km) |
| Seaford to Castellaneta | 1,068.05 mi (1,718.87 km) |
| Seaford to Castellanza | 538.85 mi (867.19 km) |
| Seaford to Castellarano | 655.20 mi (1,054.44 km) |
| Seaford to Castelleone | 584.23 mi (940.22 km) |
