| Sumner to Busto Arsizio | 5,371.66 mi (8,644.85 km) |
| Sumner to Busto Garolfo | 5,376.32 mi (8,652.36 km) |
| Sumner to Cabras | 5,698.13 mi (9,170.26 km) |
| Sumner to Cadelbosco di Sopra | 5,465.59 mi (8,796.02 km) |
| Sumner to Cadoneghe | 5,457.38 mi (8,782.80 km) |
| Sumner to Cagli | 5,589.05 mi (8,994.71 km) |
| Sumner to Cagliari | 5,755.76 mi (9,263.01 km) |
| Sumner to Cairo Montenotte | 5,427.89 mi (8,735.35 km) |
| Sumner to Caivano | 5,787.16 mi (9,313.53 km) |
| Sumner to Calcinaia | 5,530.56 mi (8,900.57 km) |
| Sumner to Calcinato | 5,419.86 mi (8,722.42 km) |
| Sumner to Calderara di Reno | 5,494.04 mi (8,841.80 km) |
| Sumner to Caldogno | 5,437.80 mi (8,751.30 km) |
| Sumner to Calenzano | 5,533.42 mi (8,905.17 km) |
| Sumner to Calolziocorte | 5,375.21 mi (8,650.56 km) |
