| Upper Grand Lagoon to Celano | 5,286.76 mi (8,508.22 km) |
| Upper Grand Lagoon to Cento | 5,100.71 mi (8,208.80 km) |
| Upper Grand Lagoon to Cepagatti | 5,300.27 mi (8,529.95 km) |
| Upper Grand Lagoon to Ceprano | 5,302.73 mi (8,533.92 km) |
| Upper Grand Lagoon to Cercola | 5,363.52 mi (8,631.76 km) |
| Upper Grand Lagoon to Cerea | 5,083.36 mi (8,180.87 km) |
| Upper Grand Lagoon to Cerese | 5,067.59 mi (8,155.49 km) |
| Upper Grand Lagoon to Cerignola | 5,419.87 mi (8,722.44 km) |
| Upper Grand Lagoon to Cermenate | 4,975.22 mi (8,006.85 km) |
| Upper Grand Lagoon to Cernusco sul Naviglio | 4,991.55 mi (8,033.12 km) |
| Upper Grand Lagoon to Cerreto Guidi | 5,113.03 mi (8,228.62 km) |
| Upper Grand Lagoon to Cerro Maggiore | 4,972.32 mi (8,002.17 km) |
| Upper Grand Lagoon to Certaldo | 5,126.88 mi (8,250.92 km) |
| Upper Grand Lagoon to Cerveteri | 5,223.72 mi (8,406.76 km) |
| Upper Grand Lagoon to Cervia | 5,162.70 mi (8,308.57 km) |
