| Quincy to Cassina de' Pecchi | 3,835.01 mi (6,171.86 km) |
| Quincy to Cassino | 4,167.17 mi (6,706.41 km) |
| Quincy to Castagneto Carducci | 3,966.38 mi (6,383.27 km) |
| Quincy to Castano Primo | 3,808.20 mi (6,128.70 km) |
| Quincy to Castel Bolognese | 3,979.23 mi (6,403.95 km) |
| Quincy to Castel Gandolfo | 4,106.27 mi (6,608.40 km) |
| Quincy to Castel Goffredo | 3,889.57 mi (6,259.65 km) |
| Quincy to Castel Maggiore | 3,952.13 mi (6,360.33 km) |
| Quincy to Castel Mella | 3,869.08 mi (6,226.68 km) |
| Quincy to Castel San Giorgio | 4,231.75 mi (6,810.34 km) |
| Quincy to Castel San Giovanni | 3,852.94 mi (6,200.70 km) |
| Quincy to Castel San Pietro Terme | 3,967.08 mi (6,384.39 km) |
| Quincy to Castel Volturno | 4,187.35 mi (6,738.89 km) |
| Quincy to Castelbuono | 4,312.67 mi (6,940.57 km) |
| Quincy to Casteldaccia | 4,282.50 mi (6,892.01 km) |
