| Flagstaff to Castelfidardo | 6,001.48 mi (9,658.45 km) |
| Flagstaff to Castelfiorentino | 5,906.74 mi (9,505.98 km) |
| Flagstaff to Castelfranco di Sopra | 5,925.93 mi (9,536.86 km) |
| Flagstaff to Castelfranco di Sotto | 5,894.26 mi (9,485.89 km) |
| Flagstaff to Castelfranco Emilia | 5,859.90 mi (9,430.59 km) |
| Flagstaff to Castelfranco Veneto | 5,835.72 mi (9,391.69 km) |
| Flagstaff to Castellabate | 6,214.26 mi (10,000.88 km) |
| Flagstaff to Castellammare del Golfo | 6,256.65 mi (10,069.10 km) |
| Flagstaff to Castellammare di Stabia | 6,176.29 mi (9,939.78 km) |
| Flagstaff to Castellamonte | 5,706.37 mi (9,183.51 km) |
| Flagstaff to Castellana Grotte | 6,257.56 mi (10,070.56 km) |
| Flagstaff to Castellaneta | 6,263.06 mi (10,079.42 km) |
| Flagstaff to Castellanza | 5,736.09 mi (9,231.34 km) |
| Flagstaff to Castellarano | 5,852.22 mi (9,418.23 km) |
| Flagstaff to Castelleone | 5,781.24 mi (9,304.00 km) |
