| Upper Montclair to Cernavoda | 4,834.88 mi (7,780.99 km) |
| Upper Montclair to Chitila | 4,747.43 mi (7,640.25 km) |
| Upper Montclair to Cisnadie | 4,626.21 mi (7,445.17 km) |
| Upper Montclair to Cluj-Napoca | 4,562.06 mi (7,341.92 km) |
| Upper Montclair to Codlea | 4,677.38 mi (7,527.52 km) |
| Upper Montclair to Comanesti | 4,686.11 mi (7,541.57 km) |
| Upper Montclair to Comarnic | 4,703.13 mi (7,568.95 km) |
| Upper Montclair to Constanta | 4,865.51 mi (7,830.29 km) |
| Upper Montclair to Corabia | 4,718.95 mi (7,594.42 km) |
| Upper Montclair to Costesti | 4,697.26 mi (7,559.52 km) |
| Upper Montclair to Covasna | 4,699.87 mi (7,563.70 km) |
| Upper Montclair to Craiova | 4,668.61 mi (7,513.40 km) |
| Upper Montclair to Cristuru Secuiesc | 4,637.33 mi (7,463.07 km) |
| Upper Montclair to Cugir | 4,590.04 mi (7,386.96 km) |
| Upper Montclair to Cumpana | 4,864.82 mi (7,829.17 km) |
