| Duncan to Busto Arsizio | 5,263.42 mi (8,470.65 km) |
| Duncan to Busto Garolfo | 5,267.38 mi (8,477.02 km) |
| Duncan to Cabras | 5,481.64 mi (8,821.84 km) |
| Duncan to Cadelbosco di Sopra | 5,366.60 mi (8,636.70 km) |
| Duncan to Cadoneghe | 5,389.75 mi (8,673.96 km) |
| Duncan to Cagli | 5,498.39 mi (8,848.81 km) |
| Duncan to Cagliari | 5,535.44 mi (8,908.43 km) |
| Duncan to Cairo Montenotte | 5,288.97 mi (8,511.78 km) |
| Duncan to Caivano | 5,677.05 mi (9,136.33 km) |
| Duncan to Calcinaia | 5,412.32 mi (8,710.29 km) |
| Duncan to Calcinato | 5,330.74 mi (8,579.00 km) |
| Duncan to Calderara di Reno | 5,401.06 mi (8,692.16 km) |
| Duncan to Caldogno | 5,366.58 mi (8,636.68 km) |
| Duncan to Calenzano | 5,426.49 mi (8,733.09 km) |
| Duncan to Calolziocorte | 5,278.55 mi (8,495.01 km) |
