| Upper Montclair to Cadillac (Michigan) | 616.86 mi (992.74 km) |
| Upper Montclair to Caguas (Puerto Rico) | 1,635.61 mi (2,632.25 km) |
| Upper Montclair to Cahokia (Illinois) | 862.57 mi (1,388.17 km) |
| Upper Montclair to Calabasas (California) | 2,454.60 mi (3,950.30 km) |
| Upper Montclair to Caldwell (Idaho) | 2,156.59 mi (3,470.69 km) |
| Upper Montclair to Caledonia (Wisconsin) | 716.16 mi (1,152.55 km) |
| Upper Montclair to Calera (Alabama) | 872.38 mi (1,403.96 km) |
| Upper Montclair to Calexico (California) | 2,331.31 mi (3,751.88 km) |
| Upper Montclair to Calhoun (Georgia) | 732.24 mi (1,178.43 km) |
| Upper Montclair to California (Maryland) | 214.19 mi (344.71 km) |
| Upper Montclair to California City (California) | 2,384.95 mi (3,838.20 km) |
| Upper Montclair to Callaway (Florida) | 975.77 mi (1,570.34 km) |
| Upper Montclair to Calumet City (Illinois) | 695.06 mi (1,118.59 km) |
| Upper Montclair to Calverton (Maryland) | 190.79 mi (307.05 km) |
| Upper Montclair to Camano (Washington) | 2,390.55 mi (3,847.21 km) |
