| Upper Montclair to Castle Pines (Colorado) | 1,614.21 mi (2,597.82 km) |
| Upper Montclair to Castle Rock (Colorado) | 1,614.71 mi (2,598.62 km) |
| Upper Montclair to Castro Valley (California) | 2,537.21 mi (4,083.24 km) |
| Upper Montclair to Catalina Foothills (Arizona) | 2,102.25 mi (3,383.25 km) |
| Upper Montclair to Cataño (Puerto Rico) | 1,620.07 mi (2,607.26 km) |
| Upper Montclair to Cathedral City (California) | 2,348.09 mi (3,778.89 km) |
| Upper Montclair to Catonsville (Maryland) | 173.10 mi (278.58 km) |
| Upper Montclair to Cave Spring (Virginia) | 399.34 mi (642.68 km) |
| Upper Montclair to Cayce (South Carolina) | 606.34 mi (975.81 km) |
| Upper Montclair to Cayey (Puerto Rico) | 1,641.23 mi (2,641.31 km) |
| Upper Montclair to Cedar City (Utah) | 2,075.00 mi (3,339.39 km) |
| Upper Montclair to Cedar Falls (Iowa) | 947.13 mi (1,524.25 km) |
| Upper Montclair to Cedar Hill (Texas) | 1,378.41 mi (2,218.34 km) |
| Upper Montclair to Cedar Lake (Indiana) | 689.49 mi (1,109.62 km) |
| Upper Montclair to Cedar Mill (Oregon) | 2,431.87 mi (3,913.71 km) |
