| Portimao to Celano | 1,220.89 mi (1,964.83 km) |
| Portimao to Cento | 1,155.94 mi (1,860.31 km) |
| Portimao to Cepagatti | 1,249.67 mi (2,011.15 km) |
| Portimao to Ceprano | 1,213.59 mi (1,953.08 km) |
| Portimao to Cercola | 1,251.87 mi (2,014.69 km) |
| Portimao to Cerea | 1,164.39 mi (1,873.91 km) |
| Portimao to Cerese | 1,139.42 mi (1,833.72 km) |
| Portimao to Cerignola | 1,334.49 mi (2,147.65 km) |
| Portimao to Cermenate | 1,084.25 mi (1,744.94 km) |
| Portimao to Cernusco sul Naviglio | 1,089.47 mi (1,753.33 km) |
| Portimao to Cerreto Guidi | 1,115.62 mi (1,795.41 km) |
| Portimao to Cerro Maggiore | 1,075.39 mi (1,730.67 km) |
| Portimao to Certaldo | 1,118.70 mi (1,800.37 km) |
| Portimao to Cerveteri | 1,146.15 mi (1,844.55 km) |
| Portimao to Cervia | 1,195.59 mi (1,924.11 km) |
