| River Grove to Cortona | 4,736.83 mi (7,623.18 km) |
| River Grove to Cosenza | 5,082.36 mi (8,179.26 km) |
| River Grove to Cossato | 4,491.08 mi (7,227.70 km) |
| River Grove to Costa Volpino | 4,556.14 mi (7,332.40 km) |
| River Grove to Creazzo | 4,622.02 mi (7,438.42 km) |
| River Grove to Crema | 4,558.82 mi (7,336.72 km) |
| River Grove to Cremona | 4,582.09 mi (7,374.16 km) |
| River Grove to Crevalcore | 4,643.08 mi (7,472.31 km) |
| River Grove to Crispiano | 5,062.21 mi (8,146.84 km) |
| River Grove to Crosia | 5,090.91 mi (8,193.03 km) |
| River Grove to Crotone | 5,127.06 mi (8,251.21 km) |
| River Grove to Cuneo | 4,513.78 mi (7,264.23 km) |
| River Grove to Cuorgne | 4,477.66 mi (7,206.09 km) |
| River Grove to Cusano Milanino | 4,531.77 mi (7,293.19 km) |
| River Grove to Cutro | 5,124.00 mi (8,246.28 km) |
