| Morriston to Oliveira de Frades | 782.85 mi (1,259.88 km) |
| Morriston to Oliveira do Bairro | 800.25 mi (1,287.88 km) |
| Morriston to Oliveira do Hospital | 803.22 mi (1,292.65 km) |
| Morriston to Ourem | 859.24 mi (1,382.82 km) |
| Morriston to Ovar | 778.62 mi (1,253.06 km) |
| Morriston to Pacos de Ferreira | 748.78 mi (1,205.04 km) |
| Morriston to Palmela | 936.19 mi (1,506.66 km) |
| Morriston to Paredes | 752.36 mi (1,210.80 km) |
| Morriston to Paredes de Coura | 708.04 mi (1,139.48 km) |
| Morriston to Penacova | 814.05 mi (1,310.09 km) |
| Morriston to Penafiel | 751.31 mi (1,209.12 km) |
| Morriston to Peniche | 889.90 mi (1,432.16 km) |
| Morriston to Peso da Regua | 747.84 mi (1,203.53 km) |
| Morriston to Pinhal Novo | 932.04 mi (1,499.98 km) |
| Morriston to Pinhel | 766.36 mi (1,233.35 km) |
