| Sayville to Cividale del Friuli | 4,135.36 mi (6,655.23 km) |
| Sayville to Civita Castellana | 4,221.58 mi (6,793.97 km) |
| Sayville to Civitanova Marche | 4,244.25 mi (6,830.46 km) |
| Sayville to Civitavecchia | 4,201.45 mi (6,761.58 km) |
| Sayville to Civitella in Val di Chiana | 4,152.50 mi (6,682.80 km) |
| Sayville to Clusone | 3,995.02 mi (6,429.37 km) |
| Sayville to Coccaglio | 4,006.41 mi (6,447.70 km) |
| Sayville to Codigoro | 4,121.99 mi (6,633.71 km) |
| Sayville to Codogno | 4,007.54 mi (6,449.51 km) |
| Sayville to Codroipo | 4,120.90 mi (6,631.94 km) |
| Sayville to Cogoleto | 3,986.11 mi (6,415.02 km) |
| Sayville to Colle di Val d'Elsa | 4,127.55 mi (6,642.64 km) |
| Sayville to Colle Salvetti | 4,092.36 mi (6,586.01 km) |
| Sayville to Collecchio | 4,042.89 mi (6,506.40 km) |
| Sayville to Colleferro | 4,268.19 mi (6,869.00 km) |
