| Castelo Branco to Maisons-Alfort | 790.53 mi (1,272.24 km) |
| Castelo Branco to Maisons-Laffitte | 789.11 mi (1,269.95 km) |
| Castelo Branco to Maizieres-les-Metz | 932.42 mi (1,500.59 km) |
| Castelo Branco to Malakoff | 786.77 mi (1,266.18 km) |
| Castelo Branco to Mandelieu-la-Napoule | 787.10 mi (1,266.72 km) |
| Castelo Branco to Manosque | 737.05 mi (1,186.18 km) |
| Castelo Branco to Mantes-la-Jolie | 779.01 mi (1,253.70 km) |
| Castelo Branco to Mantes-la-Ville | 778.01 mi (1,252.08 km) |
| Castelo Branco to Marck | 893.81 mi (1,438.45 km) |
| Castelo Branco to Marcq-en-Baroeul | 908.08 mi (1,461.42 km) |
| Castelo Branco to Margny-les-Compiegne | 834.10 mi (1,342.35 km) |
| Castelo Branco to Marguerittes | 674.48 mi (1,085.46 km) |
| Castelo Branco to Marignane | 701.37 mi (1,128.75 km) |
| Castelo Branco to Marly | 925.49 mi (1,489.42 km) |
| Castelo Branco to Marly | 903.39 mi (1,453.87 km) |
