| Oro Valley to Casamassima | 6,377.59 mi (10,263.75 km) |
| Oro Valley to Casandrino | 6,284.04 mi (10,113.19 km) |
| Oro Valley to Casapulla | 6,278.56 mi (10,104.37 km) |
| Oro Valley to Casarano | 6,469.40 mi (10,411.50 km) |
| Oro Valley to Casatenovo | 5,876.16 mi (9,456.77 km) |
| Oro Valley to Casciana Terme | 6,025.99 mi (9,697.89 km) |
| Oro Valley to Cascina | 6,016.06 mi (9,681.91 km) |
| Oro Valley to Caselle Torinese | 5,840.85 mi (9,399.95 km) |
| Oro Valley to Caserta | 6,280.36 mi (10,107.26 km) |
| Oro Valley to Casier | 5,982.27 mi (9,627.53 km) |
| Oro Valley to Casorate Primo | 5,883.64 mi (9,468.80 km) |
| Oro Valley to Casoria | 6,287.51 mi (10,118.77 km) |
| Oro Valley to Cassano al Ionio | 6,416.32 mi (10,326.07 km) |
| Oro Valley to Cassano d'Adda | 5,891.18 mi (9,480.95 km) |
| Oro Valley to Cassano delle Murge | 6,375.80 mi (10,260.86 km) |
