| Florham Park to Cividale del Friuli | 4,188.88 mi (6,741.35 km) |
| Florham Park to Civita Castellana | 4,278.09 mi (6,884.92 km) |
| Florham Park to Civitanova Marche | 4,299.69 mi (6,919.69 km) |
| Florham Park to Civitavecchia | 4,258.27 mi (6,853.02 km) |
| Florham Park to Civitella in Val di Chiana | 4,208.46 mi (6,772.86 km) |
| Florham Park to Clusone | 4,049.69 mi (6,517.35 km) |
| Florham Park to Coccaglio | 4,061.32 mi (6,536.06 km) |
| Florham Park to Codigoro | 4,176.83 mi (6,721.96 km) |
| Florham Park to Codogno | 4,062.82 mi (6,538.47 km) |
| Florham Park to Codroipo | 4,174.65 mi (6,718.45 km) |
| Florham Park to Cogoleto | 4,042.24 mi (6,505.36 km) |
| Florham Park to Colle di Val d'Elsa | 4,183.68 mi (6,732.99 km) |
| Florham Park to Colle Salvetti | 4,148.54 mi (6,676.43 km) |
| Florham Park to Collecchio | 4,098.33 mi (6,595.62 km) |
| Florham Park to Colleferro | 4,324.90 mi (6,960.26 km) |
