| Sun Prairie to Oliveira de Frades | 3,996.05 mi (6,431.02 km) |
| Sun Prairie to Oliveira do Bairro | 3,989.17 mi (6,419.95 km) |
| Sun Prairie to Oliveira do Hospital | 4,023.40 mi (6,475.04 km) |
| Sun Prairie to Ourem | 4,017.81 mi (6,466.04 km) |
| Sun Prairie to Ovar | 3,970.56 mi (6,390.01 km) |
| Sun Prairie to Pacos de Ferreira | 3,966.56 mi (6,383.56 km) |
| Sun Prairie to Palmela | 4,042.74 mi (6,506.15 km) |
| Sun Prairie to Paredes | 3,971.91 mi (6,392.18 km) |
| Sun Prairie to Paredes de Coura | 3,936.33 mi (6,334.91 km) |
| Sun Prairie to Penacova | 4,007.82 mi (6,449.96 km) |
| Sun Prairie to Penafiel | 3,973.89 mi (6,395.35 km) |
| Sun Prairie to Peniche | 3,992.65 mi (6,425.54 km) |
| Sun Prairie to Peso da Regua | 3,997.86 mi (6,433.93 km) |
| Sun Prairie to Pinhal Novo | 4,039.71 mi (6,501.28 km) |
| Sun Prairie to Pinhel | 4,043.24 mi (6,506.96 km) |
