| Lanham to Cividale del Friuli | 4,368.40 mi (7,030.25 km) |
| Lanham to Civita Castellana | 4,455.82 mi (7,170.96 km) |
| Lanham to Civitanova Marche | 4,478.19 mi (7,206.95 km) |
| Lanham to Civitavecchia | 4,435.75 mi (7,138.66 km) |
| Lanham to Civitella in Val di Chiana | 4,386.61 mi (7,059.56 km) |
| Lanham to Clusone | 4,228.65 mi (6,805.35 km) |
| Lanham to Coccaglio | 4,240.14 mi (6,823.85 km) |
| Lanham to Codigoro | 4,355.69 mi (7,009.81 km) |
| Lanham to Codogno | 4,241.42 mi (6,825.90 km) |
| Lanham to Codroipo | 4,354.06 mi (7,007.18 km) |
| Lanham to Cogoleto | 4,220.26 mi (6,791.86 km) |
| Lanham to Colle di Val d'Elsa | 4,361.70 mi (7,019.48 km) |
| Lanham to Colle Salvetti | 4,326.52 mi (6,962.87 km) |
| Lanham to Collecchio | 4,276.83 mi (6,882.89 km) |
| Lanham to Colleferro | 4,502.48 mi (7,246.04 km) |
