| Cayey to Oliveira de Frades | 3,745.72 mi (6,028.16 km) |
| Cayey to Oliveira do Bairro | 3,727.63 mi (5,999.04 km) |
| Cayey to Oliveira do Hospital | 3,759.73 mi (6,050.70 km) |
| Cayey to Ourem | 3,717.47 mi (5,982.69 km) |
| Cayey to Ovar | 3,723.58 mi (5,992.52 km) |
| Cayey to Pacos de Ferreira | 3,739.04 mi (6,017.41 km) |
| Cayey to Palmela | 3,692.12 mi (5,941.89 km) |
| Cayey to Paredes | 3,741.91 mi (6,022.03 km) |
| Cayey to Paredes de Coura | 3,736.50 mi (6,013.32 km) |
| Cayey to Penacova | 3,737.03 mi (6,014.17 km) |
| Cayey to Penafiel | 3,744.51 mi (6,026.20 km) |
| Cayey to Peniche | 3,672.81 mi (5,910.82 km) |
| Cayey to Peso da Regua | 3,770.38 mi (6,067.84 km) |
| Cayey to Pinhal Novo | 3,691.80 mi (5,941.37 km) |
| Cayey to Pinhel | 3,804.32 mi (6,122.47 km) |
