| Highlands Ranch to Oliveira de Frades | 4,818.85 mi (7,755.19 km) |
| Highlands Ranch to Oliveira do Bairro | 4,813.26 mi (7,746.19 km) |
| Highlands Ranch to Oliveira do Hospital | 4,846.90 mi (7,800.34 km) |
| Highlands Ranch to Ourem | 4,844.99 mi (7,797.26 km) |
| Highlands Ranch to Ovar | 4,793.64 mi (7,714.61 km) |
| Highlands Ranch to Pacos de Ferreira | 4,787.73 mi (7,705.10 km) |
| Highlands Ranch to Palmela | 4,873.91 mi (7,843.80 km) |
| Highlands Ranch to Paredes | 4,793.21 mi (7,713.93 km) |
| Highlands Ranch to Paredes de Coura | 4,755.33 mi (7,652.97 km) |
| Highlands Ranch to Penacova | 4,832.39 mi (7,776.98 km) |
| Highlands Ranch to Penafiel | 4,795.07 mi (7,716.92 km) |
| Highlands Ranch to Peniche | 4,822.14 mi (7,760.49 km) |
| Highlands Ranch to Peso da Regua | 4,818.25 mi (7,754.23 km) |
| Highlands Ranch to Pinhal Novo | 4,870.71 mi (7,838.66 km) |
| Highlands Ranch to Pinhel | 4,863.72 mi (7,827.40 km) |
