| Madison Heights to Oliveira de Frades | 3,739.13 mi (6,017.56 km) |
| Madison Heights to Oliveira do Bairro | 3,731.14 mi (6,004.70 km) |
| Madison Heights to Oliveira do Hospital | 3,765.78 mi (6,060.44 km) |
| Madison Heights to Ourem | 3,756.90 mi (6,046.15 km) |
| Madison Heights to Ovar | 3,713.50 mi (5,976.30 km) |
| Madison Heights to Pacos de Ferreira | 3,711.16 mi (5,972.54 km) |
| Madison Heights to Palmela | 3,778.00 mi (6,080.10 km) |
| Madison Heights to Paredes | 3,716.39 mi (5,980.95 km) |
| Madison Heights to Paredes de Coura | 3,682.90 mi (5,927.05 km) |
| Madison Heights to Penacova | 3,749.30 mi (6,033.92 km) |
| Madison Heights to Penafiel | 3,718.45 mi (5,984.27 km) |
| Madison Heights to Peniche | 3,729.65 mi (6,002.30 km) |
| Madison Heights to Peso da Regua | 3,743.03 mi (6,023.82 km) |
| Madison Heights to Pinhal Novo | 3,775.15 mi (6,075.51 km) |
| Madison Heights to Pinhel | 3,788.17 mi (6,096.47 km) |
