| Duluth to Busto Arsizio | 4,461.44 mi (7,179.99 km) |
| Duluth to Busto Garolfo | 4,465.66 mi (7,186.78 km) |
| Duluth to Cabras | 4,715.95 mi (7,589.59 km) |
| Duluth to Cadelbosco di Sopra | 4,563.66 mi (7,344.50 km) |
| Duluth to Cadoneghe | 4,578.66 mi (7,368.65 km) |
| Duluth to Cagli | 4,695.19 mi (7,556.19 km) |
| Duluth to Cagliari | 4,771.89 mi (7,679.62 km) |
| Duluth to Cairo Montenotte | 4,496.17 mi (7,235.89 km) |
| Duluth to Caivano | 4,882.06 mi (7,856.92 km) |
| Duluth to Calcinaia | 4,615.52 mi (7,427.96 km) |
| Duluth to Calcinato | 4,524.53 mi (7,281.53 km) |
| Duluth to Calderara di Reno | 4,597.00 mi (7,398.15 km) |
| Duluth to Caldogno | 4,556.10 mi (7,332.33 km) |
| Duluth to Calenzano | 4,626.70 mi (7,445.96 km) |
| Duluth to Calolziocorte | 4,473.60 mi (7,199.56 km) |
