| Quincy to Castelfidardo | 4,083.99 mi (6,572.55 km) |
| Quincy to Castelfiorentino | 3,967.60 mi (6,385.24 km) |
| Quincy to Castelfranco di Sopra | 3,992.50 mi (6,425.31 km) |
| Quincy to Castelfranco di Sotto | 3,954.77 mi (6,364.59 km) |
| Quincy to Castelfranco Emilia | 3,937.62 mi (6,336.99 km) |
| Quincy to Castelfranco Veneto | 3,939.39 mi (6,339.84 km) |
| Quincy to Castellabate | 4,261.80 mi (6,858.70 km) |
| Quincy to Castellammare del Golfo | 4,253.70 mi (6,845.67 km) |
| Quincy to Castellammare di Stabia | 4,225.36 mi (6,800.07 km) |
| Quincy to Castellamonte | 3,768.03 mi (6,064.06 km) |
| Quincy to Castellana Grotte | 4,335.92 mi (6,977.98 km) |
| Quincy to Castellaneta | 4,335.33 mi (6,977.04 km) |
| Quincy to Castellanza | 3,811.80 mi (6,134.50 km) |
| Quincy to Castellarano | 3,927.03 mi (6,319.94 km) |
| Quincy to Castelleone | 3,859.05 mi (6,210.54 km) |
