| Rio Grande City to Castelfidardo | 5,987.79 mi (9,636.42 km) |
| Rio Grande City to Castelfiorentino | 5,874.39 mi (9,453.91 km) |
| Rio Grande City to Castelfranco di Sopra | 5,898.50 mi (9,492.72 km) |
| Rio Grande City to Castelfranco di Sotto | 5,861.54 mi (9,433.23 km) |
| Rio Grande City to Castelfranco Emilia | 5,841.31 mi (9,400.68 km) |
| Rio Grande City to Castelfranco Veneto | 5,837.88 mi (9,395.16 km) |
| Rio Grande City to Castellabate | 6,171.92 mi (9,932.74 km) |
| Rio Grande City to Castellammare del Golfo | 6,167.85 mi (9,926.19 km) |
| Rio Grande City to Castellammare di Stabia | 6,135.14 mi (9,873.55 km) |
| Rio Grande City to Castellamonte | 5,673.48 mi (9,130.58 km) |
| Rio Grande City to Castellana Grotte | 6,242.00 mi (10,045.52 km) |
| Rio Grande City to Castellaneta | 6,242.37 mi (10,046.13 km) |
| Rio Grande City to Castellanza | 5,714.99 mi (9,197.39 km) |
| Rio Grande City to Castellarano | 5,831.18 mi (9,384.37 km) |
| Rio Grande City to Castelleone | 5,762.18 mi (9,273.33 km) |
