| Rio Grande City to Cassina de' Pecchi | 5,737.92 mi (9,234.29 km) |
| Rio Grande City to Cassino | 6,075.91 mi (9,778.23 km) |
| Rio Grande City to Castagneto Carducci | 5,874.70 mi (9,454.41 km) |
| Rio Grande City to Castano Primo | 5,711.79 mi (9,192.24 km) |
| Rio Grande City to Castel Bolognese | 5,882.79 mi (9,467.43 km) |
| Rio Grande City to Castel Gandolfo | 6,015.71 mi (9,681.35 km) |
| Rio Grande City to Castel Goffredo | 5,791.69 mi (9,320.82 km) |
| Rio Grande City to Castel Maggiore | 5,855.48 mi (9,423.48 km) |
| Rio Grande City to Castel Mella | 5,770.95 mi (9,287.44 km) |
| Rio Grande City to Castel San Giorgio | 6,141.11 mi (9,883.16 km) |
| Rio Grande City to Castel San Giovanni | 5,757.31 mi (9,265.50 km) |
| Rio Grande City to Castel San Pietro Terme | 5,870.67 mi (9,447.93 km) |
| Rio Grande City to Castel Volturno | 6,096.97 mi (9,812.12 km) |
| Rio Grande City to Castelbuono | 6,226.48 mi (10,020.56 km) |
| Rio Grande City to Casteldaccia | 6,196.44 mi (9,972.20 km) |
