| Rio Grande City to Castelletto sopra Ticino | 5,700.39 mi (9,173.89 km) |
| Rio Grande City to Castelli Calepio | 5,755.83 mi (9,263.11 km) |
| Rio Grande City to Castelnovo ne' Monti | 5,820.01 mi (9,366.40 km) |
| Rio Grande City to Castelnuovo Berardenga | 5,906.50 mi (9,505.60 km) |
| Rio Grande City to Castelnuovo di Porto | 5,994.51 mi (9,647.23 km) |
| Rio Grande City to Castelnuovo di Verona | 5,798.79 mi (9,332.25 km) |
| Rio Grande City to Castelnuovo Rangone | 5,838.05 mi (9,395.43 km) |
| Rio Grande City to Castelvetrano | 6,177.00 mi (9,940.92 km) |
| Rio Grande City to Castelvetro di Modena | 5,840.58 mi (9,399.51 km) |
| Rio Grande City to Castenaso | 5,861.91 mi (9,433.83 km) |
| Rio Grande City to Castenedolo | 5,778.07 mi (9,298.91 km) |
| Rio Grande City to Castiglion Fiorentino | 5,924.16 mi (9,534.01 km) |
| Rio Grande City to Castiglione del Lago | 5,937.31 mi (9,555.18 km) |
| Rio Grande City to Castiglione delle Stiviere | 5,789.02 mi (9,316.52 km) |
| Rio Grande City to Castrolibero | 6,264.37 mi (10,081.54 km) |
