| Quincy to Corato | 4,292.41 mi (6,907.97 km) |
| Quincy to Corbetta | 3,817.30 mi (6,143.34 km) |
| Quincy to Corciano | 4,041.00 mi (6,503.36 km) |
| Quincy to Cordenons | 3,961.10 mi (6,374.77 km) |
| Quincy to Cori | 4,121.44 mi (6,632.82 km) |
| Quincy to Coriano | 4,025.67 mi (6,478.68 km) |
| Quincy to Corigliano Calabro | 4,356.77 mi (7,011.55 km) |
| Quincy to Corleone | 4,280.76 mi (6,889.22 km) |
| Quincy to Cormano | 3,825.37 mi (6,156.34 km) |
| Quincy to Cornaredo | 3,821.24 mi (6,149.70 km) |
| Quincy to Cornate d'Adda | 3,835.02 mi (6,171.87 km) |
| Quincy to Cornedo Vicentino | 3,916.35 mi (6,302.75 km) |
| Quincy to Correggio | 3,920.19 mi (6,308.93 km) |
| Quincy to Corridonia | 4,090.32 mi (6,582.74 km) |
| Quincy to Corsico | 3,826.96 mi (6,158.89 km) |
