| Havre de Grace to Cividale del Friuli | 4,312.69 mi (6,940.61 km) |
| Havre de Grace to Civita Castellana | 4,400.78 mi (7,082.37 km) |
| Havre de Grace to Civitanova Marche | 4,422.87 mi (7,117.92 km) |
| Havre de Grace to Civitavecchia | 4,380.79 mi (7,050.21 km) |
| Havre de Grace to Civitella in Val di Chiana | 4,331.41 mi (6,970.73 km) |
| Havre de Grace to Clusone | 4,173.16 mi (6,716.05 km) |
| Havre de Grace to Coccaglio | 4,184.70 mi (6,734.62 km) |
| Havre de Grace to Codigoro | 4,300.24 mi (6,920.56 km) |
| Havre de Grace to Codogno | 4,186.06 mi (6,736.81 km) |
| Havre de Grace to Codroipo | 4,298.40 mi (6,917.60 km) |
| Havre de Grace to Cogoleto | 4,165.11 mi (6,703.10 km) |
| Havre de Grace to Colle di Val d'Elsa | 4,306.55 mi (6,930.73 km) |
| Havre de Grace to Colle Salvetti | 4,271.38 mi (6,874.13 km) |
| Havre de Grace to Collecchio | 4,221.50 mi (6,793.85 km) |
| Havre de Grace to Colleferro | 4,447.49 mi (7,157.54 km) |
