| Potomac Park to Cassina de' Pecchi | 5,986.60 mi (9,634.50 km) |
| Potomac Park to Cassino | 6,343.00 mi (10,208.07 km) |
| Potomac Park to Castagneto Carducci | 6,150.74 mi (9,898.67 km) |
| Potomac Park to Castano Primo | 5,966.15 mi (9,601.59 km) |
| Potomac Park to Castel Bolognese | 6,125.95 mi (9,858.76 km) |
| Potomac Park to Castel Gandolfo | 6,292.53 mi (10,126.86 km) |
| Potomac Park to Castel Goffredo | 6,032.43 mi (9,708.26 km) |
| Potomac Park to Castel Maggiore | 6,099.14 mi (9,815.62 km) |
| Potomac Park to Castel Mella | 6,011.66 mi (9,674.83 km) |
| Potomac Park to Castel San Giorgio | 6,409.62 mi (10,315.29 km) |
| Potomac Park to Castel San Giovanni | 6,013.44 mi (9,677.70 km) |
| Potomac Park to Castel San Pietro Terme | 6,114.80 mi (9,840.82 km) |
| Potomac Park to Castel Volturno | 6,370.50 mi (10,252.33 km) |
| Potomac Park to Castelbuono | 6,548.97 mi (10,539.54 km) |
| Potomac Park to Casteldaccia | 6,523.99 mi (10,499.34 km) |
