| Columbia Heights to Oliveira de Frades | 4,110.19 mi (6,614.72 km) |
| Columbia Heights to Oliveira do Bairro | 4,104.58 mi (6,605.69 km) |
| Columbia Heights to Oliveira do Hospital | 4,138.24 mi (6,659.85 km) |
| Columbia Heights to Ourem | 4,136.38 mi (6,656.86 km) |
| Columbia Heights to Ovar | 4,084.97 mi (6,574.13 km) |
| Columbia Heights to Pacos de Ferreira | 4,079.12 mi (6,564.71 km) |
| Columbia Heights to Palmela | 4,165.62 mi (6,703.92 km) |
| Columbia Heights to Paredes | 4,084.60 mi (6,573.53 km) |
| Columbia Heights to Paredes de Coura | 4,046.84 mi (6,512.76 km) |
| Columbia Heights to Penacova | 4,123.71 mi (6,636.48 km) |
| Columbia Heights to Penafiel | 4,086.47 mi (6,576.53 km) |
| Columbia Heights to Peniche | 4,113.69 mi (6,620.34 km) |
| Columbia Heights to Peso da Regua | 4,109.69 mi (6,613.91 km) |
| Columbia Heights to Pinhal Novo | 4,162.41 mi (6,698.74 km) |
| Columbia Heights to Pinhel | 4,155.16 mi (6,687.08 km) |
