| Harrison to Cividale del Friuli | 4,150.46 mi (6,679.53 km) |
| Harrison to Civita Castellana | 4,239.21 mi (6,822.35 km) |
| Harrison to Civitanova Marche | 4,260.96 mi (6,857.36 km) |
| Harrison to Civitavecchia | 4,219.35 mi (6,790.39 km) |
| Harrison to Civitella in Val di Chiana | 4,169.65 mi (6,710.41 km) |
| Harrison to Clusone | 4,011.08 mi (6,455.21 km) |
| Harrison to Coccaglio | 4,022.67 mi (6,473.86 km) |
| Harrison to Codigoro | 4,138.19 mi (6,659.77 km) |
| Harrison to Codogno | 4,024.11 mi (6,476.18 km) |
| Harrison to Codroipo | 4,136.19 mi (6,656.56 km) |
| Harrison to Cogoleto | 4,003.41 mi (6,442.86 km) |
| Harrison to Colle di Val d'Elsa | 4,144.85 mi (6,670.50 km) |
| Harrison to Colle Salvetti | 4,109.70 mi (6,613.92 km) |
| Harrison to Collecchio | 4,059.60 mi (6,533.29 km) |
| Harrison to Colleferro | 4,286.00 mi (6,897.65 km) |
