| Wheat Ridge to Oliveira de Frades | 4,814.96 mi (7,748.93 km) |
| Wheat Ridge to Oliveira do Bairro | 4,809.46 mi (7,740.08 km) |
| Wheat Ridge to Oliveira do Hospital | 4,843.06 mi (7,794.15 km) |
| Wheat Ridge to Ourem | 4,841.43 mi (7,791.53 km) |
| Wheat Ridge to Ovar | 4,789.77 mi (7,708.39 km) |
| Wheat Ridge to Pacos de Ferreira | 4,783.73 mi (7,698.66 km) |
| Wheat Ridge to Palmela | 4,870.68 mi (7,838.60 km) |
| Wheat Ridge to Paredes | 4,789.22 mi (7,707.50 km) |
| Wheat Ridge to Paredes de Coura | 4,751.18 mi (7,646.29 km) |
| Wheat Ridge to Penacova | 4,828.63 mi (7,770.92 km) |
| Wheat Ridge to Penafiel | 4,791.07 mi (7,710.48 km) |
| Wheat Ridge to Peniche | 4,818.77 mi (7,755.07 km) |
| Wheat Ridge to Peso da Regua | 4,814.19 mi (7,747.69 km) |
| Wheat Ridge to Pinhal Novo | 4,867.46 mi (7,833.43 km) |
| Wheat Ridge to Pinhel | 4,859.66 mi (7,820.86 km) |
