| Johnstown to Montalegre | 3,594.68 mi (5,785.08 km) |
| Johnstown to Montemor-o-Novo | 3,666.30 mi (5,900.34 km) |
| Johnstown to Montemor-o-Velho | 3,599.14 mi (5,792.25 km) |
| Johnstown to Montijo | 3,632.08 mi (5,845.27 km) |
| Johnstown to Mortagua | 3,613.04 mi (5,814.62 km) |
| Johnstown to Moura | 3,719.30 mi (5,985.63 km) |
| Johnstown to Murtosa | 3,585.36 mi (5,770.08 km) |
| Johnstown to Nazare | 3,597.04 mi (5,788.87 km) |
| Johnstown to Nelas | 3,628.95 mi (5,840.23 km) |
| Johnstown to Obidos | 3,599.67 mi (5,793.11 km) |
| Johnstown to Odemira | 3,678.38 mi (5,919.78 km) |
| Johnstown to Odivelas | 3,615.29 mi (5,818.25 km) |
| Johnstown to Oeiras | 3,611.79 mi (5,812.61 km) |
| Johnstown to Olhao | 3,734.58 mi (6,010.23 km) |
| Johnstown to Oliveira de Azemeis | 3,589.90 mi (5,777.38 km) |
