| Siloam Springs to Oliveira de Frades | 4,484.66 mi (7,217.36 km) |
| Siloam Springs to Oliveira do Bairro | 4,476.19 mi (7,203.73 km) |
| Siloam Springs to Oliveira do Hospital | 4,510.98 mi (7,259.72 km) |
| Siloam Springs to Ourem | 4,500.51 mi (7,242.88 km) |
| Siloam Springs to Ovar | 4,458.98 mi (7,176.04 km) |
| Siloam Springs to Pacos de Ferreira | 4,457.32 mi (7,173.37 km) |
| Siloam Springs to Palmela | 4,519.35 mi (7,273.20 km) |
| Siloam Springs to Paredes | 4,462.50 mi (7,181.69 km) |
| Siloam Springs to Paredes de Coura | 4,429.79 mi (7,129.06 km) |
| Siloam Springs to Penacova | 4,494.11 mi (7,232.57 km) |
| Siloam Springs to Penafiel | 4,464.59 mi (7,185.07 km) |
| Siloam Springs to Peniche | 4,472.14 mi (7,197.21 km) |
| Siloam Springs to Peso da Regua | 4,489.37 mi (7,224.95 km) |
| Siloam Springs to Pinhal Novo | 4,516.62 mi (7,268.79 km) |
| Siloam Springs to Pinhel | 4,534.40 mi (7,297.41 km) |
