| Sumner to Cervignano del Friuli | 5,468.11 mi (8,800.07 km) |
| Sumner to Cesa | 5,784.50 mi (9,309.26 km) |
| Sumner to Cesano Maderno | 5,377.98 mi (8,655.02 km) |
| Sumner to Cesena | 5,543.68 mi (8,921.68 km) |
| Sumner to Cesenatico | 5,543.65 mi (8,921.64 km) |
| Sumner to Cetraro | 5,916.22 mi (9,521.24 km) |
| Sumner to Cherasco | 5,402.81 mi (8,694.99 km) |
| Sumner to Chiampo | 5,435.67 mi (8,747.87 km) |
| Sumner to Chiaravalle | 5,602.59 mi (9,016.50 km) |
| Sumner to Chiari | 5,403.02 mi (8,695.32 km) |
| Sumner to Chiavari | 5,460.32 mi (8,787.54 km) |
| Sumner to Chieri | 5,380.36 mi (8,658.85 km) |
| Sumner to Chieti | 5,698.60 mi (9,171.01 km) |
| Sumner to Chioggia | 5,479.52 mi (8,818.43 km) |
| Sumner to Chiusi | 5,603.91 mi (9,018.62 km) |
