| Upper Montclair to Clarksdale (Mississippi) | 1,005.61 mi (1,618.37 km) |
| Upper Montclair to Clarkston (Georgia) | 734.14 mi (1,181.49 km) |
| Upper Montclair to Clarksville (Indiana) | 639.54 mi (1,029.24 km) |
| Upper Montclair to Clarksville (Tennessee) | 766.59 mi (1,233.71 km) |
| Upper Montclair to Clawson (Michigan) | 476.11 mi (766.22 km) |
| Upper Montclair to Clay (Alabama) | 840.89 mi (1,353.28 km) |
| Upper Montclair to Clayton (California) | 2,524.92 mi (4,063.46 km) |
| Upper Montclair to Clayton (Missouri) | 868.98 mi (1,398.48 km) |
| Upper Montclair to Clayton (North Carolina) | 425.85 mi (685.35 km) |
| Upper Montclair to Clayton (Ohio) | 537.21 mi (864.55 km) |
| Upper Montclair to Clearfield (Utah) | 1,957.43 mi (3,150.18 km) |
| Upper Montclair to Clearlake (California) | 2,537.46 mi (4,083.64 km) |
| Upper Montclair to Clearwater (Florida) | 1,012.74 mi (1,629.86 km) |
| Upper Montclair to Cleburne (Texas) | 1,409.17 mi (2,267.84 km) |
| Upper Montclair to Clemmons (North Carolina) | 471.53 mi (758.86 km) |
