| River Forest to Cadillac (Michigan) | 202.88 mi (326.51 km) |
| River Forest to Caguas (Puerto Rico) | 2,077.35 mi (3,343.18 km) |
| River Forest to Cahokia (Illinois) | 261.57 mi (420.96 km) |
| River Forest to Calabasas (California) | 1,751.79 mi (2,819.24 km) |
| River Forest to Caldwell (Idaho) | 1,460.38 mi (2,350.25 km) |
| River Forest to Caledonia (Wisconsin) | 62.50 mi (100.58 km) |
| River Forest to Calera (Alabama) | 608.76 mi (979.71 km) |
| River Forest to Calexico (California) | 1,639.76 mi (2,638.94 km) |
| River Forest to Calhoun (Georgia) | 534.86 mi (860.77 km) |
| River Forest to California (Maryland) | 647.46 mi (1,041.99 km) |
| River Forest to California City (California) | 1,680.14 mi (2,703.93 km) |
| River Forest to Callaway (Florida) | 822.24 mi (1,323.26 km) |
| River Forest to Calumet City (Illinois) | 23.89 mi (38.45 km) |
| River Forest to Calverton (Maryland) | 603.51 mi (971.25 km) |
| River Forest to Camano (Washington) | 1,730.67 mi (2,785.25 km) |
