| Potomac Park to Cervignano del Friuli | 6,089.27 mi (9,799.74 km) |
| Potomac Park to Cesa | 6,384.97 mi (10,275.61 km) |
| Potomac Park to Cesano Maderno | 5,973.70 mi (9,613.73 km) |
| Potomac Park to Cesena | 6,149.18 mi (9,896.14 km) |
| Potomac Park to Cesenatico | 6,150.40 mi (9,898.11 km) |
| Potomac Park to Cetraro | 6,520.16 mi (10,493.18 km) |
| Potomac Park to Cherasco | 5,984.87 mi (9,631.71 km) |
| Potomac Park to Chiampo | 6,043.44 mi (9,725.97 km) |
| Potomac Park to Chiaravalle | 6,211.72 mi (9,996.80 km) |
| Potomac Park to Chiari | 6,002.41 mi (9,659.94 km) |
| Potomac Park to Chiavari | 6,049.21 mi (9,735.27 km) |
| Potomac Park to Chieri | 5,964.43 mi (9,598.82 km) |
| Potomac Park to Chieti | 6,306.11 mi (10,148.71 km) |
| Potomac Park to Chioggia | 6,091.25 mi (9,802.92 km) |
| Potomac Park to Chiusi | 6,201.26 mi (9,979.96 km) |
