| Ponce to Cividale del Friuli | 4,858.91 mi (7,819.66 km) |
| Ponce to Civita Castellana | 4,836.86 mi (7,784.17 km) |
| Ponce to Civitanova Marche | 4,895.28 mi (7,878.20 km) |
| Ponce to Civitavecchia | 4,807.33 mi (7,736.66 km) |
| Ponce to Civitella in Val di Chiana | 4,793.71 mi (7,714.73 km) |
| Ponce to Clusone | 4,693.49 mi (7,553.44 km) |
| Ponce to Coccaglio | 4,696.23 mi (7,557.86 km) |
| Ponce to Codigoro | 4,804.00 mi (7,731.30 km) |
| Ponce to Codogno | 4,684.76 mi (7,539.40 km) |
| Ponce to Codroipo | 4,838.18 mi (7,786.30 km) |
| Ponce to Cogoleto | 4,636.10 mi (7,461.08 km) |
| Ponce to Colle di Val d'Elsa | 4,764.67 mi (7,668.00 km) |
| Ponce to Colle Salvetti | 4,731.01 mi (7,613.82 km) |
| Ponce to Collecchio | 4,711.65 mi (7,582.66 km) |
| Ponce to Colleferro | 4,872.41 mi (7,841.38 km) |
