| Smithville to Cividale del Friuli | 5,046.96 mi (8,122.30 km) |
| Smithville to Civita Castellana | 5,176.78 mi (8,331.23 km) |
| Smithville to Civitanova Marche | 5,183.07 mi (8,341.34 km) |
| Smithville to Civitavecchia | 5,161.53 mi (8,306.67 km) |
| Smithville to Civitella in Val di Chiana | 5,100.28 mi (8,208.11 km) |
| Smithville to Clusone | 4,926.05 mi (7,927.71 km) |
| Smithville to Coccaglio | 4,940.70 mi (7,951.29 km) |
| Smithville to Codigoro | 5,053.52 mi (8,132.85 km) |
| Smithville to Codogno | 4,947.35 mi (7,962.00 km) |
| Smithville to Codroipo | 5,036.26 mi (8,105.08 km) |
| Smithville to Cogoleto | 4,938.80 mi (7,948.23 km) |
| Smithville to Colle di Val d'Elsa | 5,078.34 mi (8,172.80 km) |
| Smithville to Colle Salvetti | 5,044.31 mi (8,118.04 km) |
| Smithville to Collecchio | 4,984.52 mi (8,021.81 km) |
| Smithville to Colleferro | 5,225.68 mi (8,409.93 km) |
