| River Grove to Castelletto sopra Ticino | 4,503.47 mi (7,247.63 km) |
| River Grove to Castelli Calepio | 4,556.43 mi (7,332.87 km) |
| River Grove to Castelnovo ne' Monti | 4,625.38 mi (7,443.83 km) |
| River Grove to Castelnuovo Berardenga | 4,714.59 mi (7,587.40 km) |
| River Grove to Castelnuovo di Porto | 4,806.17 mi (7,734.78 km) |
| River Grove to Castelnuovo di Verona | 4,598.39 mi (7,400.39 km) |
| River Grove to Castelnuovo Rangone | 4,641.53 mi (7,469.82 km) |
| River Grove to Castelvetrano | 5,012.99 mi (8,067.63 km) |
| River Grove to Castelvetro di Modena | 4,644.27 mi (7,474.23 km) |
| River Grove to Castenaso | 4,664.29 mi (7,506.45 km) |
| River Grove to Castenedolo | 4,578.56 mi (7,368.49 km) |
| River Grove to Castiglion Fiorentino | 4,731.18 mi (7,614.10 km) |
| River Grove to Castiglione del Lago | 4,745.03 mi (7,636.39 km) |
| River Grove to Castiglione delle Stiviere | 4,589.38 mi (7,385.89 km) |
| River Grove to Castrolibero | 5,079.59 mi (8,174.80 km) |
