| Oro Valley to Caltagirone | 6,478.79 mi (10,426.61 km) |
| Oro Valley to Caltanissetta | 6,449.09 mi (10,378.81 km) |
| Oro Valley to Calvisano | 5,929.14 mi (9,542.03 km) |
| Oro Valley to Calvizzano | 6,283.30 mi (10,112.00 km) |
| Oro Valley to Camaiore | 5,995.10 mi (9,648.19 km) |
| Oro Valley to Cameri | 5,861.98 mi (9,433.94 km) |
| Oro Valley to Camisano Vicentino | 5,968.75 mi (9,605.78 km) |
| Oro Valley to Campagna | 6,327.94 mi (10,183.84 km) |
| Oro Valley to Campagnano di Roma | 6,157.29 mi (9,909.21 km) |
| Oro Valley to Campi Bisenzio | 6,030.55 mi (9,705.23 km) |
| Oro Valley to Campi Salentina | 6,444.23 mi (10,370.99 km) |
| Oro Valley to Campiglia Marittima | 6,048.03 mi (9,733.36 km) |
| Oro Valley to Campobasso | 6,267.16 mi (10,086.03 km) |
| Oro Valley to Campobello di Licata | 6,455.52 mi (10,389.15 km) |
| Oro Valley to Campobello di Mazara | 6,391.87 mi (10,286.72 km) |
