| Slidell to Castelfidardo | 5,411.32 mi (8,708.68 km) |
| Slidell to Castelfiorentino | 5,294.85 mi (8,521.23 km) |
| Slidell to Castelfranco di Sopra | 5,319.80 mi (8,561.40 km) |
| Slidell to Castelfranco di Sotto | 5,282.02 mi (8,500.59 km) |
| Slidell to Castelfranco Emilia | 5,264.94 mi (8,473.10 km) |
| Slidell to Castelfranco Veneto | 5,266.17 mi (8,475.08 km) |
| Slidell to Castellabate | 5,588.24 mi (8,993.41 km) |
| Slidell to Castellammare del Golfo | 5,575.92 mi (8,973.58 km) |
| Slidell to Castellammare di Stabia | 5,551.95 mi (8,935.00 km) |
| Slidell to Castellamonte | 5,095.36 mi (8,200.20 km) |
| Slidell to Castellana Grotte | 5,663.18 mi (9,114.01 km) |
| Slidell to Castellaneta | 5,662.50 mi (9,112.91 km) |
| Slidell to Castellanza | 5,139.09 mi (8,270.56 km) |
| Slidell to Castellarano | 5,254.36 mi (8,456.07 km) |
| Slidell to Castelleone | 5,186.34 mi (8,346.60 km) |
