| Chamonix-Mont-Blanc to Montemor-o-Novo | 918.00 mi (1,477.37 km) |
| Chamonix-Mont-Blanc to Montemor-o-Velho | 878.18 mi (1,413.30 km) |
| Chamonix-Mont-Blanc to Montijo | 945.84 mi (1,522.19 km) |
| Chamonix-Mont-Blanc to Mortagua | 848.32 mi (1,365.24 km) |
| Chamonix-Mont-Blanc to Moura | 908.61 mi (1,462.27 km) |
| Chamonix-Mont-Blanc to Murtosa | 855.78 mi (1,377.24 km) |
| Chamonix-Mont-Blanc to Nazare | 916.50 mi (1,474.96 km) |
| Chamonix-Mont-Blanc to Nelas | 828.15 mi (1,332.77 km) |
| Chamonix-Mont-Blanc to Obidos | 929.88 mi (1,496.50 km) |
| Chamonix-Mont-Blanc to Odemira | 982.30 mi (1,580.86 km) |
| Chamonix-Mont-Blanc to Odivelas | 953.53 mi (1,534.56 km) |
| Chamonix-Mont-Blanc to Oeiras | 963.86 mi (1,551.18 km) |
| Chamonix-Mont-Blanc to Olhao | 975.92 mi (1,570.58 km) |
| Chamonix-Mont-Blanc to Oliveira de Azemeis | 844.93 mi (1,359.78 km) |
| Chamonix-Mont-Blanc to Oliveira de Frades | 835.99 mi (1,345.39 km) |
