| Backa Topola to Oliveira de Frades | 1,435.21 mi (2,309.74 km) |
| Backa Topola to Oliveira do Bairro | 1,455.97 mi (2,343.16 km) |
| Backa Topola to Oliveira do Hospital | 1,429.85 mi (2,301.12 km) |
| Backa Topola to Ourem | 1,484.42 mi (2,388.95 km) |
| Backa Topola to Ovar | 1,452.73 mi (2,337.94 km) |
| Backa Topola to Pacos de Ferreira | 1,430.88 mi (2,302.78 km) |
| Backa Topola to Palmela | 1,534.44 mi (2,469.44 km) |
| Backa Topola to Paredes | 1,429.42 mi (2,300.43 km) |
| Backa Topola to Paredes de Coura | 1,422.45 mi (2,289.21 km) |
| Backa Topola to Penacova | 1,452.56 mi (2,337.66 km) |
| Backa Topola to Penafiel | 1,426.89 mi (2,296.36 km) |
| Backa Topola to Peniche | 1,531.84 mi (2,465.26 km) |
| Backa Topola to Peso da Regua | 1,403.55 mi (2,258.80 km) |
| Backa Topola to Pinhal Novo | 1,533.00 mi (2,467.13 km) |
| Backa Topola to Pinhel | 1,379.78 mi (2,220.53 km) |
