| Halstead to Cividale del Friuli | 704.83 mi (1,134.32 km) |
| Halstead to Civita Castellana | 864.17 mi (1,390.75 km) |
| Halstead to Civitanova Marche | 851.11 mi (1,369.73 km) |
| Halstead to Civitavecchia | 857.60 mi (1,380.17 km) |
| Halstead to Civitella in Val di Chiana | 780.99 mi (1,256.88 km) |
| Halstead to Clusone | 594.17 mi (956.23 km) |
| Halstead to Coccaglio | 611.71 mi (984.46 km) |
| Halstead to Codigoro | 718.65 mi (1,156.55 km) |
| Halstead to Codogno | 624.86 mi (1,005.61 km) |
| Halstead to Codroipo | 694.36 mi (1,117.46 km) |
| Halstead to Cogoleto | 638.40 mi (1,027.41 km) |
| Halstead to Colle di Val d'Elsa | 764.51 mi (1,230.35 km) |
| Halstead to Colle Salvetti | 734.40 mi (1,181.90 km) |
| Halstead to Collecchio | 662.59 mi (1,066.33 km) |
| Halstead to Colleferro | 913.91 mi (1,470.80 km) |
