| Castel Gandolfo to Melun | 675.30 mi (1,086.78 km) |
| Castel Gandolfo to Mende | 499.22 mi (803.42 km) |
| Castel Gandolfo to Mennecy | 684.24 mi (1,101.17 km) |
| Castel Gandolfo to Menton | 296.46 mi (477.11 km) |
| Castel Gandolfo to Mericourt | 758.68 mi (1,220.98 km) |
| Castel Gandolfo to Merignac | 700.97 mi (1,128.10 km) |
| Castel Gandolfo to Meru | 724.80 mi (1,166.45 km) |
| Castel Gandolfo to Merville | 777.74 mi (1,251.66 km) |
| Castel Gandolfo to Mery-sur-Oise | 715.20 mi (1,151.00 km) |
| Castel Gandolfo to Metz | 597.88 mi (962.20 km) |
| Castel Gandolfo to Meudon | 702.11 mi (1,129.94 km) |
| Castel Gandolfo to Meylan | 419.20 mi (674.64 km) |
| Castel Gandolfo to Meyzieu | 471.70 mi (759.12 km) |
| Castel Gandolfo to Meze | 474.34 mi (763.38 km) |
| Castel Gandolfo to Millau | 510.54 mi (821.64 km) |
