| Upper Montclair to Cloverleaf (Texas) | 1,401.88 mi (2,256.10 km) |
| Upper Montclair to Cloverly (Maryland) | 190.68 mi (306.86 km) |
| Upper Montclair to Clovis (California) | 2,436.04 mi (3,920.43 km) |
| Upper Montclair to Clovis (New Mexico) | 1,638.39 mi (2,636.73 km) |
| Upper Montclair to Clute (Texas) | 1,445.76 mi (2,326.73 km) |
| Upper Montclair to Coachella (California) | 2,335.49 mi (3,758.61 km) |
| Upper Montclair to Coalinga (California) | 2,486.48 mi (4,001.60 km) |
| Upper Montclair to Coamo (Puerto Rico) | 1,640.38 mi (2,639.94 km) |
| Upper Montclair to Coatesville (Pennsylvania) | 103.80 mi (167.05 km) |
| Upper Montclair to Cockeysville (Maryland) | 159.10 mi (256.04 km) |
| Upper Montclair to Cocoa (Florida) | 937.74 mi (1,509.15 km) |
| Upper Montclair to Cocoa Beach (Florida) | 937.81 mi (1,509.26 km) |
| Upper Montclair to Coconut Creek (Florida) | 1,062.83 mi (1,710.46 km) |
| Upper Montclair to Coeur d'Alene (Idaho) | 2,131.40 mi (3,430.15 km) |
| Upper Montclair to Cohoes (New York) | 135.74 mi (218.45 km) |
