| River Grove to Castelfidardo | 4,790.05 mi (7,708.84 km) |
| River Grove to Castelfiorentino | 4,682.58 mi (7,535.88 km) |
| River Grove to Castelfranco di Sopra | 4,705.05 mi (7,572.04 km) |
| River Grove to Castelfranco di Sotto | 4,669.78 mi (7,515.28 km) |
| River Grove to Castelfranco Emilia | 4,644.28 mi (7,474.24 km) |
| River Grove to Castelfranco Veneto | 4,633.79 mi (7,457.37 km) |
| River Grove to Castellabate | 4,986.03 mi (8,024.24 km) |
| River Grove to Castellammare del Golfo | 5,001.43 mi (8,049.03 km) |
| River Grove to Castellammare di Stabia | 4,948.53 mi (7,963.89 km) |
| River Grove to Castellamonte | 4,480.44 mi (7,210.57 km) |
| River Grove to Castellana Grotte | 5,046.66 mi (8,121.82 km) |
| River Grove to Castellaneta | 5,048.87 mi (8,125.38 km) |
| River Grove to Castellanza | 4,517.96 mi (7,270.96 km) |
| River Grove to Castellarano | 4,634.94 mi (7,459.22 km) |
| River Grove to Castelleone | 4,564.76 mi (7,346.27 km) |
