| North Little Rock to Oliveira de Frades | 4,429.78 mi (7,129.04 km) |
| North Little Rock to Oliveira do Bairro | 4,420.47 mi (7,114.06 km) |
| North Little Rock to Oliveira do Hospital | 4,455.47 mi (7,170.39 km) |
| North Little Rock to Ourem | 4,442.46 mi (7,149.45 km) |
| North Little Rock to Ovar | 4,404.06 mi (7,087.65 km) |
| North Little Rock to Pacos de Ferreira | 4,403.69 mi (7,087.05 km) |
| North Little Rock to Palmela | 4,458.16 mi (7,174.71 km) |
| North Little Rock to Paredes | 4,408.75 mi (7,095.20 km) |
| North Little Rock to Paredes de Coura | 4,377.73 mi (7,045.28 km) |
| North Little Rock to Penacova | 4,437.96 mi (7,142.20 km) |
| North Little Rock to Penafiel | 4,410.91 mi (7,098.68 km) |
| North Little Rock to Peniche | 4,412.51 mi (7,101.25 km) |
| North Little Rock to Peso da Regua | 4,436.08 mi (7,139.17 km) |
| North Little Rock to Pinhal Novo | 4,455.57 mi (7,170.55 km) |
| North Little Rock to Pinhel | 4,480.79 mi (7,211.13 km) |
