| Summerlin South to Cividale del Friuli | 5,924.79 mi (9,535.02 km) |
| Summerlin South to Civita Castellana | 6,095.58 mi (9,809.89 km) |
| Summerlin South to Civitanova Marche | 6,084.39 mi (9,791.88 km) |
| Summerlin South to Civitavecchia | 6,085.94 mi (9,794.37 km) |
| Summerlin South to Civitella in Val di Chiana | 6,013.68 mi (9,678.09 km) |
| Summerlin South to Clusone | 5,827.98 mi (9,379.22 km) |
| Summerlin South to Coccaglio | 5,845.45 mi (9,407.34 km) |
| Summerlin South to Codigoro | 5,951.59 mi (9,578.16 km) |
| Summerlin South to Codogno | 5,857.51 mi (9,426.74 km) |
| Summerlin South to Codroipo | 5,918.34 mi (9,524.64 km) |
| Summerlin South to Cogoleto | 5,862.40 mi (9,434.62 km) |
| Summerlin South to Colle di Val d'Elsa | 5,995.58 mi (9,648.96 km) |
| Summerlin South to Colle Salvetti | 5,963.83 mi (9,597.86 km) |
| Summerlin South to Collecchio | 5,895.30 mi (9,487.57 km) |
| Summerlin South to Colleferro | 6,145.39 mi (9,890.06 km) |
