| Oro Valley to Castrovillari | 6,410.45 mi (10,316.62 km) |
| Oro Valley to Catania | 6,487.38 mi (10,440.43 km) |
| Oro Valley to Catanzaro | 6,471.72 mi (10,415.22 km) |
| Oro Valley to Cattolica | 6,079.75 mi (9,784.41 km) |
| Oro Valley to Cava de' Tirreni | 6,311.93 mi (10,158.06 km) |
| Oro Valley to Cavallino | 6,454.91 mi (10,388.17 km) |
| Oro Valley to Cavarzere | 5,999.81 mi (9,655.77 km) |
| Oro Valley to Cave | 6,192.71 mi (9,966.20 km) |
| Oro Valley to Cavriago | 5,966.77 mi (9,602.59 km) |
| Oro Valley to Cavriglia | 6,057.55 mi (9,748.69 km) |
| Oro Valley to Cazzago San Martino | 5,906.82 mi (9,506.10 km) |
| Oro Valley to Ceccano | 6,219.49 mi (10,009.30 km) |
| Oro Valley to Cecina | 6,032.42 mi (9,708.24 km) |
| Oro Valley to Cefalu | 6,420.29 mi (10,332.46 km) |
| Oro Valley to Ceglie Messapico | 6,413.35 mi (10,321.29 km) |
