| Willow Grove to Chivasso | 4,039.48 mi (6,500.91 km) |
| Willow Grove to Ciampino | 4,359.75 mi (7,016.35 km) |
| Willow Grove to Cicciano | 4,475.28 mi (7,202.26 km) |
| Willow Grove to Cingoli | 4,331.12 mi (6,970.26 km) |
| Willow Grove to Cinisello Balsamo | 4,085.40 mi (6,574.82 km) |
| Willow Grove to Cinisi | 4,515.05 mi (7,266.28 km) |
| Willow Grove to Cirie | 4,025.65 mi (6,478.65 km) |
| Willow Grove to Ciro Marina | 4,650.32 mi (7,483.97 km) |
| Willow Grove to Cislago | 4,071.49 mi (6,552.43 km) |
| Willow Grove to Cisterna di Latina | 4,377.31 mi (7,044.61 km) |
| Willow Grove to Cisternino | 4,611.10 mi (7,420.85 km) |
| Willow Grove to Citta di Castello | 4,285.72 mi (6,897.20 km) |
| Willow Grove to Citta Sant'Angelo | 4,397.53 mi (7,077.14 km) |
| Willow Grove to Cittadella | 4,191.43 mi (6,745.46 km) |
| Willow Grove to Cittanova | 4,643.21 mi (7,472.53 km) |
