| Upper Montclair to Chivasso | 3,972.53 mi (6,393.17 km) |
| Upper Montclair to Ciampino | 4,293.15 mi (6,909.15 km) |
| Upper Montclair to Cicciano | 4,408.65 mi (7,095.04 km) |
| Upper Montclair to Cingoli | 4,264.10 mi (6,862.41 km) |
| Upper Montclair to Cinisello Balsamo | 4,018.27 mi (6,466.78 km) |
| Upper Montclair to Cinisi | 4,449.34 mi (7,160.52 km) |
| Upper Montclair to Cirie | 3,958.71 mi (6,370.93 km) |
| Upper Montclair to Ciro Marina | 4,583.77 mi (7,376.86 km) |
| Upper Montclair to Cislago | 4,004.36 mi (6,444.39 km) |
| Upper Montclair to Cisterna di Latina | 4,310.73 mi (6,937.45 km) |
| Upper Montclair to Cisternino | 4,544.22 mi (7,313.22 km) |
| Upper Montclair to Citta di Castello | 4,218.78 mi (6,789.46 km) |
| Upper Montclair to Citta Sant'Angelo | 4,330.62 mi (6,969.45 km) |
| Upper Montclair to Cittadella | 4,124.10 mi (6,637.09 km) |
| Upper Montclair to Cittanova | 4,577.03 mi (7,366.02 km) |
