| Greenbelt to Cassina de' Pecchi | 4,216.03 mi (6,785.04 km) |
| Greenbelt to Cassino | 4,547.63 mi (7,318.71 km) |
| Greenbelt to Castagneto Carducci | 4,346.93 mi (6,995.71 km) |
| Greenbelt to Castano Primo | 4,189.19 mi (6,741.84 km) |
| Greenbelt to Castel Bolognese | 4,360.20 mi (7,017.07 km) |
| Greenbelt to Castel Gandolfo | 4,486.62 mi (7,220.51 km) |
| Greenbelt to Castel Goffredo | 4,270.61 mi (6,872.88 km) |
| Greenbelt to Castel Maggiore | 4,333.11 mi (6,973.47 km) |
| Greenbelt to Castel Mella | 4,250.13 mi (6,839.92 km) |
| Greenbelt to Castel San Giorgio | 4,612.09 mi (7,422.45 km) |
| Greenbelt to Castel San Giovanni | 4,233.88 mi (6,813.77 km) |
| Greenbelt to Castel San Pietro Terme | 4,348.05 mi (6,997.51 km) |
| Greenbelt to Castel Volturno | 4,567.65 mi (7,350.92 km) |
| Greenbelt to Castelbuono | 4,691.30 mi (7,549.92 km) |
| Greenbelt to Casteldaccia | 4,661.00 mi (7,501.16 km) |
