| Horn Lake to Cividale del Friuli | 5,093.80 mi (8,197.69 km) |
| Horn Lake to Civita Castellana | 5,198.80 mi (8,366.66 km) |
| Horn Lake to Civitanova Marche | 5,214.95 mi (8,392.65 km) |
| Horn Lake to Civitavecchia | 5,180.49 mi (8,337.19 km) |
| Horn Lake to Civitella in Val di Chiana | 5,126.53 mi (8,250.36 km) |
| Horn Lake to Clusone | 4,961.45 mi (7,984.68 km) |
| Horn Lake to Coccaglio | 4,974.28 mi (8,005.33 km) |
| Horn Lake to Codigoro | 5,089.15 mi (8,190.19 km) |
| Horn Lake to Codogno | 4,977.75 mi (8,010.91 km) |
| Horn Lake to Codroipo | 5,080.97 mi (8,177.03 km) |
| Horn Lake to Cogoleto | 4,961.51 mi (7,984.78 km) |
| Horn Lake to Colle di Val d'Elsa | 5,102.70 mi (8,212.00 km) |
| Horn Lake to Colle Salvetti | 5,067.85 mi (8,155.91 km) |
| Horn Lake to Collecchio | 5,013.99 mi (8,069.24 km) |
| Horn Lake to Colleferro | 5,246.46 mi (8,443.36 km) |
