| Cicero to Cascais | 3,985.61 mi (6,414.22 km) |
| Cicero to Castelo Branco | 4,035.06 mi (6,493.80 km) |
| Cicero to Castro Daire | 3,977.81 mi (6,401.66 km) |
| Cicero to Celorico de Basto | 3,958.32 mi (6,370.31 km) |
| Cicero to Chamusca | 4,006.20 mi (6,447.35 km) |
| Cicero to Chaves | 3,970.01 mi (6,389.11 km) |
| Cicero to Cinfaes | 3,961.91 mi (6,376.09 km) |
| Cicero to Coimbra | 3,978.85 mi (6,403.34 km) |
| Cicero to Condeixa-a-Nova | 3,978.86 mi (6,403.36 km) |
| Cicero to Corroios | 4,000.97 mi (6,438.94 km) |
| Cicero to Coruche | 4,017.93 mi (6,466.24 km) |
| Cicero to Costa de Caparica | 3,995.98 mi (6,430.90 km) |
| Cicero to Covilha | 4,018.78 mi (6,467.60 km) |
| Cicero to Eiras | 3,978.02 mi (6,402.01 km) |
| Cicero to Elvas | 4,084.71 mi (6,573.70 km) |
