| Oro Valley to Corato | 6,349.31 mi (10,218.23 km) |
| Oro Valley to Corbetta | 5,873.04 mi (9,451.75 km) |
| Oro Valley to Corciano | 6,104.75 mi (9,824.64 km) |
| Oro Valley to Cordenons | 5,979.53 mi (9,623.13 km) |
| Oro Valley to Cori | 6,200.46 mi (9,978.67 km) |
| Oro Valley to Coriano | 6,075.09 mi (9,776.91 km) |
| Oro Valley to Corigliano Calabro | 6,432.85 mi (10,352.67 km) |
| Oro Valley to Corleone | 6,403.88 mi (10,306.05 km) |
| Oro Valley to Cormano | 5,878.01 mi (9,459.75 km) |
| Oro Valley to Cornaredo | 5,875.63 mi (9,455.91 km) |
| Oro Valley to Cornate d'Adda | 5,883.91 mi (9,469.24 km) |
| Oro Valley to Cornedo Vicentino | 5,951.26 mi (9,577.62 km) |
| Oro Valley to Correggio | 5,972.20 mi (9,611.32 km) |
| Oro Valley to Corridonia | 6,142.55 mi (9,885.48 km) |
| Oro Valley to Corsico | 5,881.72 mi (9,465.72 km) |
