| Champaign to Oliveira de Frades | 4,053.31 mi (6,523.17 km) |
| Champaign to Oliveira do Bairro | 4,045.17 mi (6,510.06 km) |
| Champaign to Oliveira do Hospital | 4,079.86 mi (6,565.89 km) |
| Champaign to Ourem | 4,070.45 mi (6,550.76 km) |
| Champaign to Ovar | 4,027.66 mi (6,481.89 km) |
| Champaign to Pacos de Ferreira | 4,025.53 mi (6,478.46 km) |
| Champaign to Palmela | 4,090.77 mi (6,583.46 km) |
| Champaign to Paredes | 4,030.74 mi (6,486.85 km) |
| Champaign to Paredes de Coura | 3,997.48 mi (6,433.32 km) |
| Champaign to Penacova | 4,063.25 mi (6,539.17 km) |
| Champaign to Penafiel | 4,032.82 mi (6,490.19 km) |
| Champaign to Peniche | 4,042.82 mi (6,506.29 km) |
| Champaign to Peso da Regua | 4,057.45 mi (6,529.84 km) |
| Champaign to Pinhal Novo | 4,087.96 mi (6,578.94 km) |
| Champaign to Pinhel | 4,102.56 mi (6,602.44 km) |
