| Romanshorn to Oliveira de Frades | 986.83 mi (1,588.15 km) |
| Romanshorn to Oliveira do Bairro | 1,008.35 mi (1,622.78 km) |
| Romanshorn to Oliveira do Hospital | 987.33 mi (1,588.96 km) |
| Romanshorn to Ourem | 1,046.48 mi (1,684.15 km) |
| Romanshorn to Ovar | 1,000.54 mi (1,610.22 km) |
| Romanshorn to Pacos de Ferreira | 975.30 mi (1,569.59 km) |
| Romanshorn to Palmela | 1,107.24 mi (1,781.92 km) |
| Romanshorn to Paredes | 974.86 mi (1,568.89 km) |
| Romanshorn to Paredes de Coura | 959.28 mi (1,543.82 km) |
| Romanshorn to Penacova | 1,008.87 mi (1,623.62 km) |
| Romanshorn to Penafiel | 972.48 mi (1,565.06 km) |
| Romanshorn to Peniche | 1,092.96 mi (1,758.94 km) |
| Romanshorn to Peso da Regua | 951.90 mi (1,531.94 km) |
| Romanshorn to Pinhal Novo | 1,104.96 mi (1,778.27 km) |
| Romanshorn to Pinhel | 936.30 mi (1,506.84 km) |
