| Forest to Caguas (Puerto Rico) | 4,396.38 mi (7,075.29 km) |
| Forest to Cahokia (Illinois) | 4,395.39 mi (7,073.70 km) |
| Forest to Calabasas (California) | 5,621.62 mi (9,047.12 km) |
| Forest to Caldwell (Idaho) | 5,013.93 mi (8,069.15 km) |
| Forest to Caledonia (Wisconsin) | 4,105.21 mi (6,606.70 km) |
| Forest to Calera (Alabama) | 4,529.99 mi (7,290.31 km) |
| Forest to Calexico (California) | 5,605.84 mi (9,021.73 km) |
| Forest to Calhoun (Georgia) | 4,390.02 mi (7,065.06 km) |
| Forest to California (Maryland) | 3,867.92 mi (6,224.82 km) |
| Forest to California City (California) | 5,537.83 mi (8,912.27 km) |
| Forest to Callaway (Florida) | 4,631.30 mi (7,453.36 km) |
| Forest to Calumet City (Illinois) | 4,148.89 mi (6,677.00 km) |
| Forest to Calverton (Maryland) | 3,851.85 mi (6,198.96 km) |
| Forest to Camano (Washington) | 4,906.46 mi (7,896.18 km) |
| Forest to Camarillo (California) | 5,627.73 mi (9,056.96 km) |
