| Duluth to Celano | 4,799.10 mi (7,723.41 km) |
| Duluth to Cento | 4,589.68 mi (7,386.38 km) |
| Duluth to Cepagatti | 4,803.65 mi (7,730.72 km) |
| Duluth to Ceprano | 4,823.97 mi (7,763.43 km) |
| Duluth to Cercola | 4,888.01 mi (7,866.49 km) |
| Duluth to Cerea | 4,565.20 mi (7,346.98 km) |
| Duluth to Cerese | 4,555.67 mi (7,331.65 km) |
| Duluth to Cerignola | 4,923.90 mi (7,924.24 km) |
| Duluth to Cermenate | 4,465.69 mi (7,186.83 km) |
| Duluth to Cernusco sul Naviglio | 4,483.15 mi (7,214.93 km) |
| Duluth to Cerreto Guidi | 4,621.22 mi (7,437.14 km) |
| Duluth to Cerro Maggiore | 4,465.52 mi (7,186.56 km) |
| Duluth to Certaldo | 4,637.36 mi (7,463.11 km) |
| Duluth to Cerveteri | 4,750.36 mi (7,644.96 km) |
| Duluth to Cervia | 4,650.55 mi (7,484.34 km) |
